diff --git a/composer.json b/composer.json
index 3ad145b..1ffd4bf 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,6 @@
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@@ -59,15 +58,8 @@
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-		"nur_bin/cachectl.php",
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 		"nur_bin/datectl.php",
-		"nur_bin/fsvdiff.php",
-		"nur_bin/ldap-delete.php",
-		"nur_bin/ldap-get-infos.php",
-		"nur_bin/ldap-search.php",
-		"nur_bin/sqlite-storage.php",
-		"nur_bin/mysql-storage.php"
+		"nur_bin/fsvdiff.php"
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 	"scripts": {
 		"uc": "@php sbin/update_classes.php"
diff --git a/composer.lock b/composer.lock
index 5064685..bbcac67 100644
--- a/composer.lock
+++ b/composer.lock
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@@ -299,339 +77,18 @@
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@@ -670,7 +127,7 @@
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-                "source": "https://github.com/myclabs/DeepCopy/tree/1.12.0"
+                "source": "https://github.com/myclabs/DeepCopy/tree/1.12.1"
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@@ -678,70 +135,7 @@
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-            "require": {
-                "ext-json": "*",
-                "php": "^7.3 || ^8.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^9.5",
-                "squizlabs/php_codesniffer": "1.*",
-                "vimeo/psalm": "^4.6.2"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "MyCLabs\\Enum\\": "src/"
-                },
-                "classmap": [
-                    "stubs/Stringable.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP Enum contributors",
-                    "homepage": "https://github.com/myclabs/php-enum/graphs/contributors"
-                }
-            ],
-            "description": "PHP Enum implementation",
-            "homepage": "http://github.com/myclabs/php-enum",
-            "keywords": [
-                "enum"
-            ],
-            "support": {
-                "issues": "https://github.com/myclabs/php-enum/issues",
-                "source": "https://github.com/myclabs/php-enum/tree/1.8.4"
-            },
-            "funding": [
-                {
-                    "url": "https://github.com/mnapoli",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/myclabs/php-enum",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2022-08-04T09:53:51+00:00"
+            "time": "2024-11-08T17:47:46+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -803,7 +197,7 @@
         },
         {
             "name": "nulib/tests",
-            "version": "7.4",
+            "version": "9",
             "source": {
                 "type": "git",
                 "url": "https://git.univ-reunion.fr/sda-php/nulib-tests.git",
@@ -951,111 +345,6 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
-        {
-            "name": "phpoffice/phpspreadsheet",
-            "version": "1.29.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
-                "reference": "3a5a818d7d3e4b5bd2e56fb9de44dbded6eae07f"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/3a5a818d7d3e4b5bd2e56fb9de44dbded6eae07f",
-                "reference": "3a5a818d7d3e4b5bd2e56fb9de44dbded6eae07f",
-                "shasum": ""
-            },
-            "require": {
-                "ext-ctype": "*",
-                "ext-dom": "*",
-                "ext-fileinfo": "*",
-                "ext-gd": "*",
-                "ext-iconv": "*",
-                "ext-libxml": "*",
-                "ext-mbstring": "*",
-                "ext-simplexml": "*",
-                "ext-xml": "*",
-                "ext-xmlreader": "*",
-                "ext-xmlwriter": "*",
-                "ext-zip": "*",
-                "ext-zlib": "*",
-                "ezyang/htmlpurifier": "^4.15",
-                "maennchen/zipstream-php": "^2.1 || ^3.0",
-                "markbaker/complex": "^3.0",
-                "markbaker/matrix": "^3.0",
-                "php": "^7.4 || ^8.0",
-                "psr/http-client": "^1.0",
-                "psr/http-factory": "^1.0",
-                "psr/simple-cache": "^1.0 || ^2.0 || ^3.0"
-            },
-            "require-dev": {
-                "dealerdirect/phpcodesniffer-composer-installer": "dev-main",
-                "dompdf/dompdf": "^1.0 || ^2.0",
-                "friendsofphp/php-cs-fixer": "^3.2",
-                "mitoteam/jpgraph": "^10.3",
-                "mpdf/mpdf": "^8.1.1",
-                "phpcompatibility/php-compatibility": "^9.3",
-                "phpstan/phpstan": "^1.1",
-                "phpstan/phpstan-phpunit": "^1.0",
-                "phpunit/phpunit": "^8.5 || ^9.0",
-                "squizlabs/php_codesniffer": "^3.7",
-                "tecnickcom/tcpdf": "^6.5"
-            },
-            "suggest": {
-                "dompdf/dompdf": "Option for rendering PDF with PDF Writer",
-                "ext-intl": "PHP Internationalization Functions",
-                "mitoteam/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers",
-                "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
-                "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "PhpOffice\\PhpSpreadsheet\\": "src/PhpSpreadsheet"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Maarten Balliauw",
-                    "homepage": "https://blog.maartenballiauw.be"
-                },
-                {
-                    "name": "Mark Baker",
-                    "homepage": "https://markbakeruk.net"
-                },
-                {
-                    "name": "Franck Lefevre",
-                    "homepage": "https://rootslabs.net"
-                },
-                {
-                    "name": "Erik Tilt"
-                },
-                {
-                    "name": "Adrien Crivelli"
-                }
-            ],
-            "description": "PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
-            "homepage": "https://github.com/PHPOffice/PhpSpreadsheet",
-            "keywords": [
-                "OpenXML",
-                "excel",
-                "gnumeric",
-                "ods",
-                "php",
-                "spreadsheet",
-                "xls",
-                "xlsx"
-            ],
-            "support": {
-                "issues": "https://github.com/PHPOffice/PhpSpreadsheet/issues",
-                "source": "https://github.com/PHPOffice/PhpSpreadsheet/tree/1.29.2"
-            },
-            "time": "2024-09-29T07:04:47+00:00"
-        },
         {
             "name": "phpunit/php-code-coverage",
             "version": "9.2.32",
@@ -1478,217 +767,6 @@
             ],
             "time": "2024-09-19T10:50:18+00:00"
         },
-        {
-            "name": "psr/http-client",
-            "version": "1.0.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-client.git",
-                "reference": "bb5906edc1c324c9a05aa0873d40117941e5fa90"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-client/zipball/bb5906edc1c324c9a05aa0873d40117941e5fa90",
-                "reference": "bb5906edc1c324c9a05aa0873d40117941e5fa90",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.0 || ^8.0",
-                "psr/http-message": "^1.0 || ^2.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Client\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "https://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for HTTP clients",
-            "homepage": "https://github.com/php-fig/http-client",
-            "keywords": [
-                "http",
-                "http-client",
-                "psr",
-                "psr-18"
-            ],
-            "support": {
-                "source": "https://github.com/php-fig/http-client"
-            },
-            "time": "2023-09-23T14:17:50+00:00"
-        },
-        {
-            "name": "psr/http-factory",
-            "version": "1.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-factory.git",
-                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-factory/zipball/2b4765fddfe3b508ac62f829e852b1501d3f6e8a",
-                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.1",
-                "psr/http-message": "^1.0 || ^2.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Message\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "https://www.php-fig.org/"
-                }
-            ],
-            "description": "PSR-17: Common interfaces for PSR-7 HTTP message factories",
-            "keywords": [
-                "factory",
-                "http",
-                "message",
-                "psr",
-                "psr-17",
-                "psr-7",
-                "request",
-                "response"
-            ],
-            "support": {
-                "source": "https://github.com/php-fig/http-factory"
-            },
-            "time": "2024-04-15T12:06:14+00:00"
-        },
-        {
-            "name": "psr/http-message",
-            "version": "1.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-message.git",
-                "reference": "cb6ce4845ce34a8ad9e68117c10ee90a29919eba"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-message/zipball/cb6ce4845ce34a8ad9e68117c10ee90a29919eba",
-                "reference": "cb6ce4845ce34a8ad9e68117c10ee90a29919eba",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.2 || ^8.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.1.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Message\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for HTTP messages",
-            "homepage": "https://github.com/php-fig/http-message",
-            "keywords": [
-                "http",
-                "http-message",
-                "psr",
-                "psr-7",
-                "request",
-                "response"
-            ],
-            "support": {
-                "source": "https://github.com/php-fig/http-message/tree/1.1"
-            },
-            "time": "2023-04-04T09:50:52+00:00"
-        },
-        {
-            "name": "psr/simple-cache",
-            "version": "1.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/simple-cache.git",
-                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
-                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\SimpleCache\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interfaces for simple caching",
-            "keywords": [
-                "cache",
-                "caching",
-                "psr",
-                "psr-16",
-                "simple-cache"
-            ],
-            "support": {
-                "source": "https://github.com/php-fig/simple-cache/tree/master"
-            },
-            "time": "2017-10-23T01:57:42+00:00"
-        },
         {
             "name": "sebastian/cli-parser",
             "version": "1.0.2",
@@ -2652,86 +1730,6 @@
             ],
             "time": "2020-09-28T06:39:44+00:00"
         },
-        {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.31.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/85181ba99b2345b0ef10ce42ecac37612d9fd341",
-                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.2"
-            },
-            "provide": {
-                "ext-mbstring": "*"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "name": "symfony/polyfill",
-                    "url": "https://github.com/symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.31.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2024-09-09T11:45:10+00:00"
-        },
         {
             "name": "theseer/tokenizer",
             "version": "1.2.3",
@@ -2789,7 +1787,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.4"
+        "php": ">=7.4"
     },
     "platform-dev": {
         "ext-posix": "*",
@@ -2805,8 +1803,7 @@
         "ext-oci8": "*",
         "ext-pdo": "*",
         "ext-pgsql": "*",
-        "ext-sqlite3": "*",
-        "ext-ldap": "*"
+        "ext-sqlite3": "*"
     },
     "plugin-api-version": "2.2.0"
 }
diff --git a/nur_bin/cachectl.php b/nur_bin/cachectl.php
deleted file mode 100755
index e531e78..0000000
--- a/nur_bin/cachectl.php
+++ /dev/null
@@ -1,119 +0,0 @@
-#!/usr/bin/php
-<?php
-require $_composer_autoload_path?? __DIR__.'/../vendor/autoload.php';
-
-use nur\b\io\CacheFile;
-use nur\cli\Application;
-use nur\msg;
-use nur\path;
-use nur\yaml;
-
-Application::run(new class extends Application {
-  const ACTION_READ = 10, ACTION_INFOS = 20, ACTION_CLEAN = 30;
-  const ACTION_UPDATE = 40, ACTION_UPDATE_ADD = 41, ACTION_UPDATE_SUB = 42, ACTION_UPDATE_SET = 43;
-
-  const ARGS = [
-    "merge" => parent::ARGS,
-    "purpose" => "gestion de fichiers cache",
-    ["-r", "--read", "name" => "action", "value" => self::ACTION_READ,
-      "help" => "Afficher le contenu d'un fichier cache",
-    ],
-    ["-i", "--infos", "name" => "action", "value" => self::ACTION_INFOS,
-      "help" => "Afficher des informations sur le fichier cache",
-    ],
-    ["-k", "--clean", "name" => "action", "value" => self::ACTION_CLEAN,
-      "help" => "Supprimer le fichier cache s'il a expiré",
-    ],
-    ["-a", "--add-duration", "args" => 1,
-      "action" => [null, "->setActionUpdate", self::ACTION_UPDATE_ADD],
-      "help" => "Ajouter le nombre de secondes spécifié à la durée du cache",
-    ],
-    ["-b", "--sub-duration", "args" => 1,
-      "action" => [null, "->setActionUpdate", self::ACTION_UPDATE_SUB],
-      "help" => "Enlever le nombre de secondes spécifié à la durée du cache",
-    ],
-    ["-s", "--set-duration", "args" => 1,
-      "action" => [null, "->setActionUpdate", self::ACTION_UPDATE_SET],
-      "help" => "Mettre à jour la durée du cache à la valeur spécifiée",
-    ],
-  ];
-
-  protected $action = self::ACTION_READ;
-
-  protected $updateAction, $updateDuration;
-
-  protected $args;
-
-  function setActionUpdate(int $action, $updateDuration): void {
-    $this->action = self::ACTION_UPDATE;
-    switch ($action) {
-    case self::ACTION_UPDATE_SUB: $this->updateAction = -1; break;
-    case self::ACTION_UPDATE_SET: $this->updateAction = 0; break;
-    case self::ACTION_UPDATE_ADD: $this->updateAction = 1; break;
-    }
-    $this->updateDuration = $updateDuration;
-  }
-
-  protected function findCaches(string $dir, ?array &$files): void {
-    foreach (glob("$dir/*") as $file) {
-      if (is_dir($file)) {
-        $this->findCaches($file, $files);
-      } elseif (is_file($file) && fnmatch("*.cache", $file)) {
-        $files[] = $file;
-      }
-    }
-  }
-
-  function main() {
-    $files = [];
-    foreach ($this->args as $arg) {
-      if (is_dir($arg)) {
-        $this->findCaches($arg, $files);
-      } elseif (is_file($arg)) {
-        $files[] = $arg;
-      } else {
-        msg::warning("$arg: fichier invalide ou introuvable");
-      }
-    }
-    $showSection = count($files) > 1;
-    foreach ($files as $file) {
-      switch ($this->action) {
-      case self::ACTION_READ:
-        if ($showSection) msg::section($file);
-        $cache = new CacheFile($file, [
-          "duration" => "INF",
-          "override_duration" => true,
-        ]);
-        yaml::dump($cache->get());
-        break;
-      case self::ACTION_INFOS:
-        if ($showSection) msg::section($file);
-        $cache = new CacheFile($file);
-        yaml::dump($cache->getInfos());
-        break;
-      case self::ACTION_CLEAN:
-        msg::action(path::ppath($file));
-        $cache = new CacheFile($file);
-        try {
-          if ($cache->deleteExpired()) msg::asuccess("fichier supprimé");
-          else msg::astep("fichier non expiré");
-        } catch (Exception $e) {
-          msg::afailure(null, $e);
-        }
-        break;
-      case self::ACTION_UPDATE:
-        msg::action(path::ppath($file));
-        $cache = new CacheFile($file);
-        try {
-          $cache->updateDuration($this->updateDuration, $this->updateAction);
-          msg::asuccess("fichier mis à jour");
-        } catch (Exception $e) {
-          msg::afailure(null, $e);
-        }
-        break;
-      default:
-        self::die("$this->action: action non implémentée");
-      }
-    }
-  }
-});
diff --git a/nur_bin/dumpser.php b/nur_bin/dumpser.php
deleted file mode 100755
index 8d9de18..0000000
--- a/nur_bin/dumpser.php
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/php
-<?php
-require $_composer_autoload_path?? __DIR__.'/../vendor/autoload.php';
-
-use nur\b\io\CacheFile;
-use nur\b\io\SharedFile;
-use nur\cli\Application;
-use nur\msg;
-use nur\path;
-use nur\yaml;
-
-Application::run(new class extends Application {
-  const ARGS = [
-    "merge" => parent::ARGS,
-    "purpose" => "afficher des données sérialisées",
-  ];
-
-  protected $args;
-
-  function main() {
-    $files = [];
-    foreach ($this->args as $arg) {
-      if (is_file($arg)) {
-        $files[] = $arg;
-      } else {
-        msg::warning("$arg: fichier invalide ou introuvable");
-      }
-    }
-    $showSection = count($files) > 1;
-    foreach ($files as $file) {
-      if ($showSection) msg::section($file);
-      $sfile = new SharedFile($file);
-      yaml::dump($sfile->unserialize());
-    }
-  }
-});
diff --git a/nur_bin/mysql-storage.php b/nur_bin/mysql-storage.php
deleted file mode 100755
index 9d1087b..0000000
--- a/nur_bin/mysql-storage.php
+++ /dev/null
@@ -1,127 +0,0 @@
-#!/usr/bin/php
-<?php
-require $_composer_autoload_path?? __DIR__.'/../vendor/autoload.php';
-
-use nur\b\io\CacheFile;
-use nur\cli\Application;
-use nur\config;
-use nur\msg;
-use nur\path;
-use nur\sery\db\Capacitor;
-use nur\sery\db\CapacitorChannel;
-use nur\sery\db\mysql\MysqlStorage;
-use nur\sery\db\sqlite\SqliteStorage;
-use nur\sery\file\Stream;
-use nur\yaml;
-
-Application::run(new class extends Application {
-  const ACTION_QUERY = 0, ACTION_SQL = 1;
-
-  const ARGS = [
-    "merge" => parent::ARGS,
-    "purpose" => "gestion d'un capacitor mysql",
-    "usage" => [
-      "-d DBCONN -c CHANNEL [--query] key=value...",
-      "-d DBCONN -c CHANNEL --sql-create",
-    ],
-    ["-d", "--dbconn", "args" => 1,
-      "help" => "nom de la connexion à la base de données",
-    ],
-    ["-t", "--table-name", "args" => 1,
-      "help" => "nom de la table porteuse du canal de données",
-    ],
-    ["-c", "--channel-class", "args" => 1,
-      "help" => "nom de la classe dérivée de CapacitorChannel",
-    ],
-    ["--query", "name" => "action", "value" => self::ACTION_QUERY,
-      "help" => "lister les lignes correspondant aux valeurs spécifiées. c'est l'action par défaut",
-    ],
-    ["-s", "--sql-create", "name" => "action", "value" => self::ACTION_SQL,
-      "help" => "afficher la requête pour créer la table",
-    ],
-  ];
-
-  protected ?string $dbconn = null;
-
-  protected ?string $tableName = null;
-
-  protected ?string $channelClass = null;
-
-  protected int $action = self::ACTION_QUERY;
-
-  protected ?array $args = null;
-
-  protected static function isa_cond(string $arg, ?array &$ms=null): bool {
-    return preg_match('/^(.+?)\s*(=|<>|<|>|<=|>=|(?:is\s+)?null|(?:is\s+)?not\s+null)\s*(.*)$/', $arg, $ms);
-  }
-
-  function main() {
-    $dbconn = $this->dbconn;
-    if ($dbconn === null) self::die("Vous devez spécifier la base de données");
-    $tmp = config::db($dbconn);
-    if ($tmp === null) self::die("$dbconn: base de données invalide");
-    $dbconn = $tmp;
-
-    if ($this->channelClass !== null) {
-      $channelClass = str_replace("/", "\\", $this->channelClass);
-      $channel = new $channelClass;
-    } elseif ($this->tableName !== null) {
-      $channel = new class($this->tableName) extends CapacitorChannel {
-        function __construct(?string $name=null) {
-          parent::__construct($name);
-          $this->tableName = $name;
-        }
-      };
-    } else {
-      self::die("Vous devez spécifier le canal de données");
-    }
-
-    $storage = new MysqlStorage($dbconn);
-    $capacitor = new Capacitor($storage, $channel);
-
-    switch ($this->action) {
-    case self::ACTION_QUERY:
-      $args = $this->args;
-      if (!$args) {
-        # lister les id
-        $out = new Stream(STDOUT);
-        $primaryKeys = $storage->getPrimaryKeys($channel);
-        $rows = $storage->db()->all([
-          "select",
-          "cols" => $primaryKeys,
-          "from" => $channel->getTableName(),
-        ]);
-        $out->fputcsv($primaryKeys);
-        foreach ($rows as $row) {
-          $rowIds = $storage->getRowIds($channel, $row);
-          $out->fputcsv($rowIds);
-        }
-      } else {
-        # afficher les lignes correspondantes
-        if (count($args) == 1 && !self::isa_cond($args[0])) {
-          $filter = $args[0];
-        } else {
-          $filter = [];
-          $ms = null;
-          foreach ($args as $arg) {
-            if (self::isa_cond($arg, $ms)) {
-              $filter[$ms[1]] = [$ms[2], $ms[3]];
-            } else {
-              $filter[$arg] = ["not null"];
-            }
-          }
-        }
-        $first = true;
-        $capacitor->each($filter, function ($item, $row) use (&$first) {
-          if ($first) $first = false;
-          else echo "---\n";
-          yaml::dump($row);
-        });
-      }
-      break;
-    case self::ACTION_SQL:
-      echo $capacitor->getCreateSql()."\n";
-      break;
-    }
-  }
-});
diff --git a/nur_bin/sqlite-storage.php b/nur_bin/sqlite-storage.php
deleted file mode 100755
index 316dca6..0000000
--- a/nur_bin/sqlite-storage.php
+++ /dev/null
@@ -1,156 +0,0 @@
-#!/usr/bin/php
-<?php
-require $_composer_autoload_path?? __DIR__.'/../vendor/autoload.php';
-
-use nur\b\io\CacheFile;
-use nur\cli\Application;
-use nur\msg;
-use nur\path;
-use nur\sery\db\Capacitor;
-use nur\sery\db\CapacitorChannel;
-use nur\sery\db\sqlite\SqliteStorage;
-use nur\sery\file\Stream;
-use nur\yaml;
-
-Application::run(new class extends Application {
-  const ACTION_QUERY = 0, ACTION_SQL = 1;
-
-  const ARGS = [
-    "merge" => parent::ARGS,
-    "purpose" => "gestion d'un capacitor sqlite",
-    "usage" => [
-      "-f DBFILE -n CHANNEL [--query] key=value...",
-      "-f DBFILE -n CHANNEL --sql-create",
-    ],
-    ["-f", "--dbfile", "args" => 1,
-      "help" => "chemin vers la base de données",
-    ],
-    ["-n", "--name", "args" => 1,
-      "help" => "nom du canal de données. table-name et channel-class sont chargés depuis la base de données",
-    ],
-    ["-t", "--table-name", "args" => 1,
-      "help" => "nom de la table porteuse du canal de données",
-    ],
-    ["-c", "--channel-class", "args" => 1,
-      "help" => "nom de la classe dérivée de CapacitorChannel",
-    ],
-    ["--query", "name" => "action", "value" => self::ACTION_QUERY,
-      "help" => "lister les lignes correspondant aux valeurs spécifiées. c'est l'action par défaut",
-    ],
-    ["-s", "--sql-create", "name" => "action", "value" => self::ACTION_SQL,
-      "help" => "afficher la requête pour créer la table",
-    ],
-  ];
-
-  protected ?string $dbfile = null;
-
-  protected ?string $name = null;
-
-  protected ?string $tableName = null;
-
-  protected ?string $channelClass = null;
-
-  protected int $action = self::ACTION_QUERY;
-
-  protected ?array $args = null;
-
-  protected static function isa_cond(string $arg, ?array &$ms=null): bool {
-    return preg_match('/^(.+?)\s*(=|<>|<|>|<=|>=|(?:is\s+)?null|(?:is\s+)?not\s+null)\s*(.*)$/', $arg, $ms);
-  }
-
-  function main() {
-    $dbfile = $this->dbfile;
-    if ($dbfile === null) self::die("Vous devez spécifier la base de données");
-    if (!file_exists($dbfile)) self::die("$dbfile: fichier introuvable");
-    $storage = new SqliteStorage($dbfile);
-    $db = $storage->db();
-
-    $haveChannels = $storage->tableExists("_channels");
-
-    $name = $this->name;
-    $channelClass = $this->channelClass;
-    $tableName = $this->tableName;
-    if ($name !== null) {
-      $row = null;
-      if ($haveChannels) {
-        $row = $db->one([
-          "select from _channels",
-          "where" => ["name" => $name],
-        ]);
-      }
-      if ($row === null) self::die("$name: nom de canal de données introuvable");
-      if ($row["class"] !== "class@anonymous") $channelClass = $row["class"];
-      else $tableName = $row["table_name"];
-    }
-    if ($channelClass !== null) {
-      $channelClass = str_replace("/", "\\", $channelClass);
-      $channel = new $channelClass;
-    } elseif ($tableName !== null) {
-      $channel = new class($tableName) extends CapacitorChannel {
-        function __construct(?string $name=null) {
-          parent::__construct($name);
-          $this->tableName = $name;
-        }
-      };
-    } else {
-      $found = false;
-      if ($haveChannels) {
-        $rows = $db->all([
-          "select from _channels",
-        ]);
-        foreach ($rows as $row) {
-          msg::print($row["name"]);
-          $found = true;
-        }
-      }
-      if (!$found) self::die("Vous devez spécifier le canal de données");
-      else self::exit();
-    }
-    $capacitor = new Capacitor($storage, $channel);
-
-    switch ($this->action) {
-    case self::ACTION_QUERY:
-      $args = $this->args;
-      if (!$args) {
-        # lister les id
-        $out = new Stream(STDOUT);
-        $primaryKeys = $storage->getPrimaryKeys($channel);
-        $rows = $db->all([
-          "select",
-          "cols" => $primaryKeys,
-          "from" => $channel->getTableName(),
-        ]);
-        $out->fputcsv($primaryKeys);
-        foreach ($rows as $row) {
-          $rowIds = $storage->getRowIds($channel, $row);
-          $out->fputcsv($rowIds);
-        }
-      } else {
-        # afficher les lignes correspondantes
-        if (count($args) == 1 && !self::isa_cond($args[0])) {
-          $filter = $args[0];
-        } else {
-          $filter = [];
-          $ms = null;
-          foreach ($args as $arg) {
-            if (self::isa_cond($arg, $ms)) {
-              $filter[$ms[1]] = [$ms[2], $ms[3]];
-            } else {
-              $filter[$arg] = ["not null"];
-            }
-          }
-        }
-        $first = true;
-        $capacitor->each($filter, function ($item, $row) use (&$first) {
-          if ($first) $first = false;
-          else echo "---\n";
-          yaml::dump($row);
-        });
-      }
-      break;
-    case self::ACTION_SQL:
-      echo $capacitor->getCreateSql()."\n";
-      break;
-    }
-  }
-});
diff --git a/nur_src/yaml.php b/nur_src/yaml.php
deleted file mode 100644
index 889ca48..0000000
--- a/nur_src/yaml.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-namespace nur;
-
-use nur\b\io\IOException;
-use nur\b\io\IReader;
-use nur\b\ValueException;
-use Symfony\Component\Yaml\Exception\ParseException;
-use Symfony\Component\Yaml\Yaml as SymfonyYaml;
-
-/**
- * Class yaml: lecture de données yaml
- */
-class yaml {
-  /**
-   * @throws ValueException si $input n'est pas un string ni une instance de
-   * {@link IReader}
-   * @throws IOException si une erreur de lecture s'est produite
-   */
-  static final function load($input): array {
-    $contents = reader::get_contents($input);
-    try {
-      return A::with(SymfonyYaml::parse($contents));
-    } catch (ParseException $e) {
-      $message = "parse error";
-      if (is_string($input)) $message .= " while loading $input";
-      throw new IOException($message, 0, $e);
-    }
-  }
-
-  static final function with($data, int $indent=2, int $flags=0): string {
-    return SymfonyYaml::dump($data, PHP_INT_MAX, $indent, $flags);
-  }
-
-  static final function dump($data, $output=null, int $indent=2, int $flags=0): void {
-    writer::with($output)->write(self::with($data, $indent, $flags))->close();
-  }
-}
diff --git a/src/ext/yaml.php b/src/ext/yaml.php
deleted file mode 100644
index 0b63bdd..0000000
--- a/src/ext/yaml.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-namespace nur\sery\ext;
-
-use nur\sery\cl;
-use nur\sery\file;
-use nur\sery\os\IOException;
-use Symfony\Component\Yaml\Exception\ParseException;
-use Symfony\Component\Yaml\Yaml as SymfonyYaml;
-
-/**
- * Class yaml: lecture de données yaml
- */
-class yaml {
-  /**
-   * @throws IOException si une erreur de lecture s'est produite
-   */
-  static final function load($input): array {
-    $contents = file::reader($input)->getContents();
-    try {
-      return cl::with(SymfonyYaml::parse($contents));
-    } catch (ParseException $e) {
-      $message = "parse error";
-      if (is_string($input)) $message .= " while loading $input";
-      throw new IOException($message, 0, $e);
-    }
-  }
-
-  static final function with($data, int $indent=2, int $flags=0): string {
-    return SymfonyYaml::dump($data, PHP_INT_MAX, $indent, $flags);
-  }
-
-  static final function dump($data, $output=null, int $indent=2, int $flags=0): void {
-    file::writer($output)->putContents(self::with($data, $indent, $flags));
-  }
-}