diff --git a/lib/ulib/support/install-pubkeys.sh b/lib/ulib/support/install-pubkeys.sh
index 00e13ed..7286a60 100755
--- a/lib/ulib/support/install-pubkeys.sh
+++ b/lib/ulib/support/install-pubkeys.sh
@@ -63,11 +63,15 @@ export TMPDIR="${TMPDIR:-${TMP:-${TEMP:-/tmp}}}"
 
 [ -f /etc/nutoolsrc ] && . /etc/nutoolsrc
 [ -f ~/.nutoolsrc ] && . ~/.nutoolsrc
+true
 ##@inc]base.init
 ##@inc[base.core
 ## Fonctions de base: fondement
 uprovide base.core
 
+function echo_() {
+    echo -n "$*"
+}
 function recho() {
     if [[ "${1:0:2}" == -[eEn] ]]; then
         echo -n -
@@ -94,18 +98,6 @@ function _qval() {
     s="${s//\`/\\\`}"
     recho_ "$s"
 }
-function qval() {
-    echo -n \"
-    _qval "$@"
-    echo \"
-}
-function qvalr() {
-    if [ -n "$*" ]; then
-        echo -n \"
-        _qval "$@"
-        echo n \"
-    fi
-}
 function should_quote() {
     [ -z "$1" ] && return 0
     local s="${*//[a-zA-Z0-9]/}"
@@ -118,6 +110,31 @@ function should_quote() {
     s="${s//=/}"
     [ -n "$s" ]
 }
+function qval() {
+    echo -n \"
+    _qval "$@"
+    echo \"
+}
+function qvalm() {
+    if should_quote "$*"; then
+        echo -n \"
+        _qval "$@"
+        echo \"
+    else
+        recho "$*"
+    fi
+}
+function qvalr() {
+    if [ -z "$*" ]; then
+        :
+    elif should_quote "$*"; then
+        echo -n \"
+        _qval "$@"
+        echo \"
+    else
+        recho "$*"
+    fi
+}
 function qvals() {
     local arg first=1
     for arg in "$@"; do
@@ -131,6 +148,7 @@ function qvals() {
         fi
         first=
     done
+    [ -z "$first" ] && echo
 }
 function qlines() {
     sed "s/'/'\\\\''/g; s/.*/'&'/g"
@@ -147,6 +165,14 @@ function _setv() {
     local __s_var="$1"; shift
     eval "$__s_var=\"$(_qval "$*")\""
 }
+function echo_setv() {
+    local __s_var="$1"; shift
+    if [[ "$__s_var" == *=* ]]; then
+        set -- "${__s_var#*=}" "$@"
+        __s_var="${__s_var%%=*}"
+    fi
+    echo "$__s_var=$(qvalr "$*")"
+}
 function setx() {
     if [ "$1" == -a ]; then
         shift
@@ -277,12 +303,96 @@ function err2out() {
 uprovide base.string
 urequire base.core
 
+function straddp() {
+    local p="$1"; shift
+    echo "$p$*"
+}
+function strdelp() {
+    local p="$1"; shift
+    local str="$*"
+    echo "${str#$p}"
+}
+function strdelp2() {
+    local p="$1"; shift
+    local str="$*"
+    echo "${str##$p}"
+}
+function stradds() {
+    local s="$1"; shift
+    echo "$*$s"
+}
+function strdels() {
+    local s="$1"; shift
+    local str="$*"
+    echo "${str%$s}"
+}
+function strdels2() {
+    local s="$1"; shift
+    local str="$*"
+    echo "${str%%$s}"
+}
 function strlower() {
-    echo ${*,,}
+    local str="$*"
+    echo "${str,,}"
+}
+function strlower1() {
+    local str="$*"
+    echo "${str,}"
+}
+function strlowers() {
+    local str="$*"
+    echo "${*,}"
 }
 function strupper() {
-    echo ${*^^}
+    local str="$*"
+    echo "${str^^}"
 }
+function strupper1() {
+    local str="$*"
+    echo "${str^}"
+}
+function struppers() {
+    echo "${*^}"
+}
+function strmid() {
+    local range="$1"; shift
+    local str="$*"
+    if [[ "$range" == *:-* ]]; then
+        local max=${#str}
+        [ $max -eq 0 ] && return
+        local start="${range%%:*}"
+        [ -n "$start" ] || start=0
+        while [ "$start" -lt 0 ]; do
+            start=$(($max$start))
+        done
+        max=$(($max-$start))
+        local length="${range#*:}"
+        while [ "$length" -lt 0 ]; do
+            length=$(($max$length))
+        done
+        range="$start:$length"
+    fi
+    eval 'echo "${str:'" $range"'}"'
+}
+function strrepl() {
+    local pattern="$1"; shift
+    local repl="$1"; shift
+    local str="$*"
+    local cmd='echo "${str/'
+    if [ "${pattern#/}" != "$pattern" ]; then
+        pattern="${pattern#/}"
+        cmd="$cmd/"
+    elif [ "${pattern#\#}" != "$pattern" ]; then
+        pattern="${pattern#\#}"
+        cmd="$cmd#"
+    elif [ "${pattern#%}" != "$pattern" ]; then
+        pattern="${pattern#%}"
+        cmd="$cmd%"
+    fi
+    cmd="$cmd"'$pattern/$repl}"'
+    eval "$cmd"
+}
+
 function isnum() {
     [ ${#1} -gt 0 ] || return 1
     local v="$1"
@@ -319,6 +429,40 @@ function is_no() {
     isnum "$1" && [ "$1" -eq 0 ] && return 0
     return 1
 }
+function yesval() {
+    is_yes "$1" && echo 1
+}
+
+function first_char() {
+    local str="$*"
+    echo "${str:0:1}"
+}
+function last_char() {
+    local str="$*"
+    echo "${str: -1:1}"
+}
+function first_chars() {
+    local str="$*"
+    recho "${str:0:$((${#1}-1))}"
+}
+function last_chars() {
+    local str="$*"
+    recho "${str:1}"
+}
+function first_char_is() {
+    [ "${1:0:1}" == "$2" ]
+}
+function last_char_is() {
+    [ "${1:$((-1)):1}" == "$2" ]
+}
+function beginswith() {
+    local str="$1" pattern="$2"
+    eval '[ "${str#$pattern}" != "$str" ]'
+}
+function endswith() {
+    local str="$1" pattern="$2"
+    eval '[ "${str%$pattern}" != "$str" ]'
+}
 ##@inc]base.string
 ##@inc[base.array
 ## Fonctions de base: gestion des tableaux
@@ -328,43 +472,87 @@ urequire base.core
 ##@inc[base.compat
 ## Fonctions de base: support des fonctions obsolètes et des versions de bash < 4.x
 uprovide base.compat
-urequire base.string
+
+
+function rawecho() { recho "$@"; }
+function rawecho_() { recho_ "$@"; }
+function quote_arg() { _qval "$@"; }
+function quoted_arg() { qvalm "$@"; }
+function quoted_args() { qvals "$@"; }
+function set_var() { setv "$@"; }
+function set_var_cmd() { echo_setv "$@"; }
+function set_var_literal() { eval "$1=$2"; }
+
+function quote_awk() { _qawk "$@"; }
+function quoted_awk() { qawk "$@"; }
+function quote_seds() { qseds "$@"; }
+function quote_form() { _qform "$@"; }
+function quoted_form() { qform "$@"; }
+
 
 if [ -n "$BASH_VERSINFO" -a "${BASH_VERSINFO[0]}" -lt 4 ]; then
-    if uprovided base.string; then
-        function strlower() { tr A-Z a-z <<<"$*"; }
-        function strupper() { tr a-z A-Z <<<"$*"; }
-        function is_yes() {
-            case "$1" in
-            o|oui|y|yes|v|vrai|t|true|on) return 0;;
-            O|OUI|Y|YES|V|VRAI|T|TRUE|ON) return 0;;
-            esac
-            isnum "$1" && [ "$1" -ne 0 ] && return 0
-            case "$(strlower "$1")" in
-            o|oui|y|yes|v|vrai|t|true|on) return 0;;
-            esac
-            return 1
-        }
-        function is_no() {
-            case "$1" in
-            n|non|no|f|faux|false|off) return 0;;
-            N|NON|NO|F|FAUX|FALSE|OFF) return 0;;
-            esac
-            isnum "$1" && [ "$1" -eq 0 ] && return 0
-            case "$(strlower "$1")" in
-            n|non|no|f|faux|false|off) return 0;;
-            esac
-            return 1
-        }
-    fi
+    function strlower() { tr A-Z a-z <<<"$*"; }
+    function strlower1() {
+        local str="$*"
+        local h="${str:0:1}" r="${str:1}"
+        echo "$(tr A-Z a-z <<<"$h")$r"
+    }
+    function strlowers() {
+        local -a vs; local v
+        for v in "$@"; do
+            vs=("${vs[@]}" "$(strlower1 "$v")")
+        done
+        echo "${vs[*]}"
+    }
+    function strupper() { tr a-z A-Z <<<"$*"; }
+    function strupper1() {
+        local str="$*"
+        local h="${str:0:1}" r="${str:1}"
+        echo "$(tr a-z A-Z <<<"$h")$r"
+    }
+    function struppers() {
+        local -a vs; local v
+        for v in "$@"; do
+            vs=("${vs[@]}" "$(strupper1 "$v")")
+        done
+        echo "${vs[*]}"
+    }
+    function is_yes() {
+        case "$1" in
+        o|oui|y|yes|v|vrai|t|true|on) return 0;;
+        O|OUI|Y|YES|V|VRAI|T|TRUE|ON) return 0;;
+        esac
+        isnum "$1" && [ "$1" -ne 0 ] && return 0
+        case "$(strlower "$1")" in
+        o|oui|y|yes|v|vrai|t|true|on) return 0;;
+        esac
+        return 1
+    }
+    function is_no() {
+        case "$1" in
+        n|non|no|f|faux|false|off) return 0;;
+        N|NON|NO|F|FAUX|FALSE|OFF) return 0;;
+        esac
+        isnum "$1" && [ "$1" -eq 0 ] && return 0
+        case "$(strlower "$1")" in
+        n|non|no|f|faux|false|off) return 0;;
+        esac
+        return 1
+    }
 fi
 ##@inc]base.compat
 uprovide base
-urequire base.init base.core base.string base.array base.compat
+urequire base.init base.core base.string base.quote base.split base.array base.compat
+
+UNAME_SYSTEM=`uname -s`
+[ "${UNAME_SYSTEM#CYGWIN}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Cygwin
+[ "${UNAME_SYSTEM#MINGW32}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Mingw
+UNAME_MACHINE=`uname -m`
+if [ -n "$UTOOLS_CHROOT" ]; then
+    [ -n "$UTOOLS_UNAME_SYSTEM" ] && eval "UNAME_SYSTEM=$UTOOLS_UNAME_SYSTEM"
+    [ -n "$UTOOLS_UNAME_MACHINE" ] && eval "UNAME_MACHINE=$UTOOLS_UNAME_MACHINE"
+fi
 
-function yesval() {
-    is_yes "$1" && echo 1
-}
 function setyesval() {
     is_yes "$2" && set_var "$1" 1 || set_var "$1" ""
 }
@@ -377,35 +565,6 @@ function normyesvals() {
         is_yes "${!__nyv_yesvar}" && set_var "$__nyv_yesvar" 1 || set_var "$__nyv_yesvar" ""
     done
 }
-function rawecho() {
-    local first
-    while [ "${1:0:1}" == "-" ]; do
-        echo_ -
-        first="${1:1}"; shift
-        set -- "$first" "$@"
-    done
-    echo "$*"
-}
-function rawecho_() {
-    local first
-    while [ "${1:0:1}" == "-" ]; do
-        echo_ -
-        first="${1:1}"; shift
-        set -- "$first" "$@"
-    done
-    echo_ "$*"
-}
-function quote_arg() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\"/\\\"}"
-    s="${s//\$/\\\$}"
-    s="${s//\`/\\\`}"
-    rawecho "$s"
-}
-function quoted_arg() {
-    should_quote "$1" && echo "\"$(quote_arg "$1")\"" || quote_arg "$1"
-}
 function quote_in() {
     sed 's/\\/\\\\/g
 s/"/\\"/g
@@ -421,13 +580,6 @@ function quote_sarg() {
 function quoted_sarg() {
     echo "'$(quote_sarg "$1")'"
 }
-function quoted_args() {
-    local a s
-    for a in "$@"; do
-        s="${s:+$s }$(quoted_arg "$a")"
-    done
-    rawecho "$s"
-}
 function quoted_sargs() {
     local a s
     for a in "$@"; do
@@ -435,172 +587,6 @@ function quoted_sargs() {
     done
     rawecho "$s"
 }
-function quote_awk() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\"/\\\"}"
-    s="${s//
-/\\n}"
-    rawecho "$s"
-}
-function quoted_awk() {
-    rawecho "\"$(quote_awk "$1")\""
-}
-function quote_seds() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\//\\/}"
-    rawecho "$s"
-}
-function quote_form() {
-    local s="$1"
-    s="${s//\%/%25}"
-    s="${s//+/%2B}"
-    s="${s//&/%26}"
-    s="${s//=/%3D}"
-    s="${s// /+}"
-    rawecho "$s"
-}
-function quoted_form() {
-    local n="${1%%=*}"
-    if [ "$n" != "$1" ]; then
-        local v="${1#*=}"
-        rawecho "$(quote_form "$n")=$(quote_form "$v")"
-    else
-        quote_form "$1"
-    fi
-}
-function first_char() {
-    rawecho "${1:0:1}"
-}
-function last_char() {
-    rawecho "${1:$((-1)):1}"
-}
-function first_chars() {
-    rawecho "${1:0:$((${#1}-1))}"
-}
-function last_chars() {
-    rawecho "${1:1}"
-}
-function first_char_is() {
-    [ "${1:0:1}" == "$2" ]
-}
-function last_char_is() {
-    [ "${1:$((-1)):1}" == "$2" ]
-}
-function beginswith() {
-    eval '[ "${1#'"$(quote_arg "$2")"'}" != "$1" ]'
-}
-function endswith() {
-    eval '[ "${1%'"$(quote_arg "$2")"'}" != "$1" ]'
-}
-function splitfsep() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%%$2*}"
-        set_var "${4:-second}" "${1#*$2}"
-    else
-        set_var "${3:-first}" "$1"
-        set_var "${4:-second}"
-    fi        
-}
-function splitfsep2() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%%$2*}"
-        set_var "${4:-second}" "${1#*$2}"
-    else
-        set_var "${3:-first}"
-        set_var "${4:-second}" "$1"
-    fi        
-}
-function splitlsep() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%$2*}"
-        set_var "${4:-second}" "${1##*$2}"
-    else
-        set_var "${3:-first}" "$1"
-        set_var "${4:-second}"
-    fi        
-}
-function splitlsep2() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%$2*}"
-        set_var "${4:-second}" "${1##*$2}"
-    else
-        set_var "${3:-first}"
-        set_var "${4:-second}" "$1"
-    fi        
-}
-function splitvar() {
-    splitfsep "$1" = "${2:-name}" "${3:-value}"
-}
-function splitname() {
-    splitlsep "$1" . "${2:-basename}" "${3:-ext}"
-}
-function splithost() {
-    splitfsep "$1" . "${2:-hostname}" "${3:-domain}"
-}
-function splituserhost() {
-    splitfsep2 "$1" @ "${2:-user}" "${3:-host}"
-}
-function splitpair() {
-    splitfsep "$1" : "${2:-src}" "${3:-dest}"
-}
-function splitproxy() {
-    local __sp_tmp __sp_host __sp_port __sp_creds __sp_user __sp_password
-
-    __sp_tmp="${1#http://}"
-    if [[ "$__sp_tmp" == *@* ]]; then
-        __sp_creds="${__sp_tmp%%@*}"
-        __sp_tmp="${__sp_tmp#${__sp_creds}@}"
-        splitpair "$__sp_creds" __sp_user __sp_password
-    fi
-    __sp_tmp="${__sp_tmp%%/*}"
-    splitpair "$__sp_tmp" __sp_host __sp_port
-    [ -n "$__sp_port" ] || __sp_port=3128
-
-    set_var "${2:-host}" "$__sp_host"
-    set_var "${3:-port}" "$__sp_port"
-    set_var "${4:-user}" "$__sp_user"
-    set_var "${5:-password}" "$__sp_password"
-}
-function spliturl() {
-    local __su_tmp __su_scheme __su_creds __su_user __su_password __su_host __su_port __su_path
-
-    __su_scheme="${1%%:*}"
-    __su_tmp="${1#${__su_scheme}://}"
-    if [[ "$__su_tmp" == */* ]]; then
-        __su_path="${__su_tmp#*/}"
-        __su_tmp="${__su_tmp%%/*}"
-    fi
-    if [[ "$__su_tmp" == *@* ]]; then
-        __su_creds="${__su_tmp%%@*}"
-        __su_tmp="${__su_tmp#${__su_creds}@}"
-        splitpair "$__su_creds" __su_user __su_password
-    fi
-    splitpair "$__su_tmp" __su_host __su_port
-    if [ -z "$__su_port" ]; then
-        [ "$__su_scheme" == "http" ] && __su_port=80
-        [ "$__su_scheme" == "https" ] && __su_port=443
-        [ "$__su_scheme" == "ftp" ] && __su_port=21
-    fi
-
-    set_var "${2:-scheme}" "$__su_scheme"
-    set_var "${3:-user}" "$__su_user"
-    set_var "${4:-password}" "$__su_password"
-    set_var "${5:-host}" "$__su_host"
-    set_var "${6:-port}" "$__su_port"
-    set_var "${7:-path}" "$__su_path"
-}
-
-function set_var_cmd() {
-    echo "$1=$(quoted_arg "$2")"
-}
-function set_var() {
-    eval "$(set_var_cmd "$@")"
-}
-function set_var_literal() {
-    eval "$1=$2"
-}
 
 function set_array_cmd() {
     [ $# -eq 1 ] && set -- "$1" "$1"
@@ -1840,6 +1826,7 @@ function array_new(dest) {
 function array_newsize(dest, size,              i) {
   dest[0] = 0 # forcer awk à considérer dest comme un tableau
   delete dest
+  size = int(size)
   for (i = 1; i <= size; i++) {
     dest[i] = ""
   }
@@ -1869,11 +1856,12 @@ function array_add(dest, value,              lastindex) {
   dest[lastindex + 1] = value
 }
 function array_deli(dest, i,                 l) {
+  i = int(i)
   if (i == 0) return
   l = length(dest)
   while (i < l) {
     dest[i] = dest[i + 1]
-    i = i + 1
+    i++
   }
   delete dest[l]
 }
@@ -1929,11 +1917,11 @@ function key_index(value, values, ignoreCase,         i) {
   if (ignoreCase) {
     value = tolower(value)
     for (i in values) {
-      if (tolower(values[i]) == value) return i
+      if (tolower(values[i]) == value) return int(i)
     }
   } else {
     for (i in values) {
-      if (values[i] == value) return i
+      if (values[i] == value) return int(i)
     }
   }
   return 0
@@ -1948,7 +1936,7 @@ function array2s(values, prefix, sep, suffix, noindices,     first, i, s) {
     if (first) first = 0
     else s = s sep
     if (!noindices) s = s "[" i "]="
-    s = values[i]
+    s = s values[i]
   }
   s = s suffix
   return s
@@ -2515,7 +2503,7 @@ HELP_OPTIONS=
 function genparse() {
 
     local -a names descs vars options
-    local i desc var option name value shortopt
+    local i desc var option name uname value shortopt
 
     for var in "$@"; do
         if [[ "$var" == *=* ]]; then
@@ -2549,10 +2537,11 @@ function genparse() {
         i=0
         while [ $i -lt ${#descs[*]} ]; do
             name="${names[$i]}"
+            uname="$(strupper "$name")"
             desc="${descs[$i]}"
             echo -n "
-\${HELP_${name^^}_OPTION:-    $desc\${HELP_${name^^}_DESC:+
-        \${HELP_${name^^}_DESC//
+\${HELP_${uname}_OPTION:-    $desc\${HELP_${uname}_DESC:+
+        \${HELP_${uname}_DESC//
 /
         }}}"
             i=$(($i + 1))
@@ -2690,9 +2679,6 @@ function utools_local() {
     done
 }
 
-function echo_() {
-    echo -n "$*"
-}
 function isatty() {
     tty -s <&1
 }
@@ -3436,15 +3422,6 @@ function myhost() {
 function myhostname() {
     hostname -s 2>/dev/null || echo "$MYHOSTNAME"
 }
-
-UNAME_SYSTEM=`uname -s`
-[ "${UNAME_SYSTEM#CYGWIN}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Cygwin
-[ "${UNAME_SYSTEM#MINGW32}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Mingw
-UNAME_MACHINE=`uname -m`
-if [ -n "$UTOOLS_CHROOT" ]; then
-    [ -n "$UTOOLS_UNAME_SYSTEM" ] && eval "UNAME_SYSTEM=$UTOOLS_UNAME_SYSTEM"
-    [ -n "$UTOOLS_UNAME_MACHINE" ] && eval "UNAME_MACHINE=$UTOOLS_UNAME_MACHINE"
-fi
 ##@inc]../base
 ##@inc[../sysinfos
 ## Gestion des informations sur l'hôte local
diff --git a/lib/ulib/ulibsh b/lib/ulib/ulibsh
index 65c3194..a21fe32 100644
--- a/lib/ulib/ulibsh
+++ b/lib/ulib/ulibsh
@@ -59,6 +59,8 @@ function uprovide() {
     ULIBPROVIDED=("${ULIBPROVIDED[@]}" "$1")
 }
 
+__ULIB_FORCE_RELOAD=
+
 function urequire() {
     local __u_module __u_ulibdir __u_found
     [ -n "$*" ] || set DEFAULTS
@@ -67,7 +69,7 @@ function urequire() {
         for __u_ulibdir in "${ULIBDIRS[@]}"; do
             if [ -f "$__u_ulibdir/$__u_module" ]; then
                 __u_found=1
-                if ! uprovided "$__u_module"; then
+                if [ -n "$__ULIB_FORCE_RELOAD" ] || ! uprovided "$__u_module"; then
                     uprovide "$__u_module"
                     source "$__u_ulibdir/$__u_module" || die
                 fi
@@ -77,7 +79,7 @@ function urequire() {
         if [ -z "$__u_found" -a "$__u_module" == DEFAULTS ]; then
             __u_found=1
             for __u_module in base pretty sysinfos compat; do
-                if ! uprovided "$__u_module"; then
+                if [ -n "$__ULIB_FORCE_RELOAD" ] || ! uprovided "$__u_module"; then
                     uprovide "$__u_module"
                     source "$__u_ulibdir/$__u_module" || die
                 fi
diff --git a/ucrontab b/ucrontab
index b4ad673..5690866 100755
--- a/ucrontab
+++ b/ucrontab
@@ -151,11 +151,15 @@ export TMPDIR="${TMPDIR:-${TMP:-${TEMP:-/tmp}}}"
 
 [ -f /etc/nutoolsrc ] && . /etc/nutoolsrc
 [ -f ~/.nutoolsrc ] && . ~/.nutoolsrc
+true
 ##@inc]base.init
 ##@inc[base.core
 ## Fonctions de base: fondement
 uprovide base.core
 
+function echo_() {
+    echo -n "$*"
+}
 function recho() {
     if [[ "${1:0:2}" == -[eEn] ]]; then
         echo -n -
@@ -182,18 +186,6 @@ function _qval() {
     s="${s//\`/\\\`}"
     recho_ "$s"
 }
-function qval() {
-    echo -n \"
-    _qval "$@"
-    echo \"
-}
-function qvalr() {
-    if [ -n "$*" ]; then
-        echo -n \"
-        _qval "$@"
-        echo n \"
-    fi
-}
 function should_quote() {
     [ -z "$1" ] && return 0
     local s="${*//[a-zA-Z0-9]/}"
@@ -206,6 +198,31 @@ function should_quote() {
     s="${s//=/}"
     [ -n "$s" ]
 }
+function qval() {
+    echo -n \"
+    _qval "$@"
+    echo \"
+}
+function qvalm() {
+    if should_quote "$*"; then
+        echo -n \"
+        _qval "$@"
+        echo \"
+    else
+        recho "$*"
+    fi
+}
+function qvalr() {
+    if [ -z "$*" ]; then
+        :
+    elif should_quote "$*"; then
+        echo -n \"
+        _qval "$@"
+        echo \"
+    else
+        recho "$*"
+    fi
+}
 function qvals() {
     local arg first=1
     for arg in "$@"; do
@@ -219,6 +236,7 @@ function qvals() {
         fi
         first=
     done
+    [ -z "$first" ] && echo
 }
 function qlines() {
     sed "s/'/'\\\\''/g; s/.*/'&'/g"
@@ -235,6 +253,14 @@ function _setv() {
     local __s_var="$1"; shift
     eval "$__s_var=\"$(_qval "$*")\""
 }
+function echo_setv() {
+    local __s_var="$1"; shift
+    if [[ "$__s_var" == *=* ]]; then
+        set -- "${__s_var#*=}" "$@"
+        __s_var="${__s_var%%=*}"
+    fi
+    echo "$__s_var=$(qvalr "$*")"
+}
 function setx() {
     if [ "$1" == -a ]; then
         shift
@@ -365,12 +391,96 @@ function err2out() {
 uprovide base.string
 urequire base.core
 
+function straddp() {
+    local p="$1"; shift
+    echo "$p$*"
+}
+function strdelp() {
+    local p="$1"; shift
+    local str="$*"
+    echo "${str#$p}"
+}
+function strdelp2() {
+    local p="$1"; shift
+    local str="$*"
+    echo "${str##$p}"
+}
+function stradds() {
+    local s="$1"; shift
+    echo "$*$s"
+}
+function strdels() {
+    local s="$1"; shift
+    local str="$*"
+    echo "${str%$s}"
+}
+function strdels2() {
+    local s="$1"; shift
+    local str="$*"
+    echo "${str%%$s}"
+}
 function strlower() {
-    echo ${*,,}
+    local str="$*"
+    echo "${str,,}"
+}
+function strlower1() {
+    local str="$*"
+    echo "${str,}"
+}
+function strlowers() {
+    local str="$*"
+    echo "${*,}"
 }
 function strupper() {
-    echo ${*^^}
+    local str="$*"
+    echo "${str^^}"
 }
+function strupper1() {
+    local str="$*"
+    echo "${str^}"
+}
+function struppers() {
+    echo "${*^}"
+}
+function strmid() {
+    local range="$1"; shift
+    local str="$*"
+    if [[ "$range" == *:-* ]]; then
+        local max=${#str}
+        [ $max -eq 0 ] && return
+        local start="${range%%:*}"
+        [ -n "$start" ] || start=0
+        while [ "$start" -lt 0 ]; do
+            start=$(($max$start))
+        done
+        max=$(($max-$start))
+        local length="${range#*:}"
+        while [ "$length" -lt 0 ]; do
+            length=$(($max$length))
+        done
+        range="$start:$length"
+    fi
+    eval 'echo "${str:'" $range"'}"'
+}
+function strrepl() {
+    local pattern="$1"; shift
+    local repl="$1"; shift
+    local str="$*"
+    local cmd='echo "${str/'
+    if [ "${pattern#/}" != "$pattern" ]; then
+        pattern="${pattern#/}"
+        cmd="$cmd/"
+    elif [ "${pattern#\#}" != "$pattern" ]; then
+        pattern="${pattern#\#}"
+        cmd="$cmd#"
+    elif [ "${pattern#%}" != "$pattern" ]; then
+        pattern="${pattern#%}"
+        cmd="$cmd%"
+    fi
+    cmd="$cmd"'$pattern/$repl}"'
+    eval "$cmd"
+}
+
 function isnum() {
     [ ${#1} -gt 0 ] || return 1
     local v="$1"
@@ -407,6 +517,40 @@ function is_no() {
     isnum "$1" && [ "$1" -eq 0 ] && return 0
     return 1
 }
+function yesval() {
+    is_yes "$1" && echo 1
+}
+
+function first_char() {
+    local str="$*"
+    echo "${str:0:1}"
+}
+function last_char() {
+    local str="$*"
+    echo "${str: -1:1}"
+}
+function first_chars() {
+    local str="$*"
+    recho "${str:0:$((${#1}-1))}"
+}
+function last_chars() {
+    local str="$*"
+    recho "${str:1}"
+}
+function first_char_is() {
+    [ "${1:0:1}" == "$2" ]
+}
+function last_char_is() {
+    [ "${1:$((-1)):1}" == "$2" ]
+}
+function beginswith() {
+    local str="$1" pattern="$2"
+    eval '[ "${str#$pattern}" != "$str" ]'
+}
+function endswith() {
+    local str="$1" pattern="$2"
+    eval '[ "${str%$pattern}" != "$str" ]'
+}
 ##@inc]base.string
 ##@inc[base.array
 ## Fonctions de base: gestion des tableaux
@@ -416,43 +560,87 @@ urequire base.core
 ##@inc[base.compat
 ## Fonctions de base: support des fonctions obsolètes et des versions de bash < 4.x
 uprovide base.compat
-urequire base.string
+
+
+function rawecho() { recho "$@"; }
+function rawecho_() { recho_ "$@"; }
+function quote_arg() { _qval "$@"; }
+function quoted_arg() { qvalm "$@"; }
+function quoted_args() { qvals "$@"; }
+function set_var() { setv "$@"; }
+function set_var_cmd() { echo_setv "$@"; }
+function set_var_literal() { eval "$1=$2"; }
+
+function quote_awk() { _qawk "$@"; }
+function quoted_awk() { qawk "$@"; }
+function quote_seds() { qseds "$@"; }
+function quote_form() { _qform "$@"; }
+function quoted_form() { qform "$@"; }
+
 
 if [ -n "$BASH_VERSINFO" -a "${BASH_VERSINFO[0]}" -lt 4 ]; then
-    if uprovided base.string; then
-        function strlower() { tr A-Z a-z <<<"$*"; }
-        function strupper() { tr a-z A-Z <<<"$*"; }
-        function is_yes() {
-            case "$1" in
-            o|oui|y|yes|v|vrai|t|true|on) return 0;;
-            O|OUI|Y|YES|V|VRAI|T|TRUE|ON) return 0;;
-            esac
-            isnum "$1" && [ "$1" -ne 0 ] && return 0
-            case "$(strlower "$1")" in
-            o|oui|y|yes|v|vrai|t|true|on) return 0;;
-            esac
-            return 1
-        }
-        function is_no() {
-            case "$1" in
-            n|non|no|f|faux|false|off) return 0;;
-            N|NON|NO|F|FAUX|FALSE|OFF) return 0;;
-            esac
-            isnum "$1" && [ "$1" -eq 0 ] && return 0
-            case "$(strlower "$1")" in
-            n|non|no|f|faux|false|off) return 0;;
-            esac
-            return 1
-        }
-    fi
+    function strlower() { tr A-Z a-z <<<"$*"; }
+    function strlower1() {
+        local str="$*"
+        local h="${str:0:1}" r="${str:1}"
+        echo "$(tr A-Z a-z <<<"$h")$r"
+    }
+    function strlowers() {
+        local -a vs; local v
+        for v in "$@"; do
+            vs=("${vs[@]}" "$(strlower1 "$v")")
+        done
+        echo "${vs[*]}"
+    }
+    function strupper() { tr a-z A-Z <<<"$*"; }
+    function strupper1() {
+        local str="$*"
+        local h="${str:0:1}" r="${str:1}"
+        echo "$(tr a-z A-Z <<<"$h")$r"
+    }
+    function struppers() {
+        local -a vs; local v
+        for v in "$@"; do
+            vs=("${vs[@]}" "$(strupper1 "$v")")
+        done
+        echo "${vs[*]}"
+    }
+    function is_yes() {
+        case "$1" in
+        o|oui|y|yes|v|vrai|t|true|on) return 0;;
+        O|OUI|Y|YES|V|VRAI|T|TRUE|ON) return 0;;
+        esac
+        isnum "$1" && [ "$1" -ne 0 ] && return 0
+        case "$(strlower "$1")" in
+        o|oui|y|yes|v|vrai|t|true|on) return 0;;
+        esac
+        return 1
+    }
+    function is_no() {
+        case "$1" in
+        n|non|no|f|faux|false|off) return 0;;
+        N|NON|NO|F|FAUX|FALSE|OFF) return 0;;
+        esac
+        isnum "$1" && [ "$1" -eq 0 ] && return 0
+        case "$(strlower "$1")" in
+        n|non|no|f|faux|false|off) return 0;;
+        esac
+        return 1
+    }
 fi
 ##@inc]base.compat
 uprovide base
-urequire base.init base.core base.string base.array base.compat
+urequire base.init base.core base.string base.quote base.split base.array base.compat
+
+UNAME_SYSTEM=`uname -s`
+[ "${UNAME_SYSTEM#CYGWIN}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Cygwin
+[ "${UNAME_SYSTEM#MINGW32}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Mingw
+UNAME_MACHINE=`uname -m`
+if [ -n "$UTOOLS_CHROOT" ]; then
+    [ -n "$UTOOLS_UNAME_SYSTEM" ] && eval "UNAME_SYSTEM=$UTOOLS_UNAME_SYSTEM"
+    [ -n "$UTOOLS_UNAME_MACHINE" ] && eval "UNAME_MACHINE=$UTOOLS_UNAME_MACHINE"
+fi
 
-function yesval() {
-    is_yes "$1" && echo 1
-}
 function setyesval() {
     is_yes "$2" && set_var "$1" 1 || set_var "$1" ""
 }
@@ -465,35 +653,6 @@ function normyesvals() {
         is_yes "${!__nyv_yesvar}" && set_var "$__nyv_yesvar" 1 || set_var "$__nyv_yesvar" ""
     done
 }
-function rawecho() {
-    local first
-    while [ "${1:0:1}" == "-" ]; do
-        echo_ -
-        first="${1:1}"; shift
-        set -- "$first" "$@"
-    done
-    echo "$*"
-}
-function rawecho_() {
-    local first
-    while [ "${1:0:1}" == "-" ]; do
-        echo_ -
-        first="${1:1}"; shift
-        set -- "$first" "$@"
-    done
-    echo_ "$*"
-}
-function quote_arg() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\"/\\\"}"
-    s="${s//\$/\\\$}"
-    s="${s//\`/\\\`}"
-    rawecho "$s"
-}
-function quoted_arg() {
-    should_quote "$1" && echo "\"$(quote_arg "$1")\"" || quote_arg "$1"
-}
 function quote_in() {
     sed 's/\\/\\\\/g
 s/"/\\"/g
@@ -509,13 +668,6 @@ function quote_sarg() {
 function quoted_sarg() {
     echo "'$(quote_sarg "$1")'"
 }
-function quoted_args() {
-    local a s
-    for a in "$@"; do
-        s="${s:+$s }$(quoted_arg "$a")"
-    done
-    rawecho "$s"
-}
 function quoted_sargs() {
     local a s
     for a in "$@"; do
@@ -523,172 +675,6 @@ function quoted_sargs() {
     done
     rawecho "$s"
 }
-function quote_awk() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\"/\\\"}"
-    s="${s//
-/\\n}"
-    rawecho "$s"
-}
-function quoted_awk() {
-    rawecho "\"$(quote_awk "$1")\""
-}
-function quote_seds() {
-    local s="$1"
-    s="${s//\\/\\\\}"
-    s="${s//\//\\/}"
-    rawecho "$s"
-}
-function quote_form() {
-    local s="$1"
-    s="${s//\%/%25}"
-    s="${s//+/%2B}"
-    s="${s//&/%26}"
-    s="${s//=/%3D}"
-    s="${s// /+}"
-    rawecho "$s"
-}
-function quoted_form() {
-    local n="${1%%=*}"
-    if [ "$n" != "$1" ]; then
-        local v="${1#*=}"
-        rawecho "$(quote_form "$n")=$(quote_form "$v")"
-    else
-        quote_form "$1"
-    fi
-}
-function first_char() {
-    rawecho "${1:0:1}"
-}
-function last_char() {
-    rawecho "${1:$((-1)):1}"
-}
-function first_chars() {
-    rawecho "${1:0:$((${#1}-1))}"
-}
-function last_chars() {
-    rawecho "${1:1}"
-}
-function first_char_is() {
-    [ "${1:0:1}" == "$2" ]
-}
-function last_char_is() {
-    [ "${1:$((-1)):1}" == "$2" ]
-}
-function beginswith() {
-    eval '[ "${1#'"$(quote_arg "$2")"'}" != "$1" ]'
-}
-function endswith() {
-    eval '[ "${1%'"$(quote_arg "$2")"'}" != "$1" ]'
-}
-function splitfsep() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%%$2*}"
-        set_var "${4:-second}" "${1#*$2}"
-    else
-        set_var "${3:-first}" "$1"
-        set_var "${4:-second}"
-    fi        
-}
-function splitfsep2() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%%$2*}"
-        set_var "${4:-second}" "${1#*$2}"
-    else
-        set_var "${3:-first}"
-        set_var "${4:-second}" "$1"
-    fi        
-}
-function splitlsep() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%$2*}"
-        set_var "${4:-second}" "${1##*$2}"
-    else
-        set_var "${3:-first}" "$1"
-        set_var "${4:-second}"
-    fi        
-}
-function splitlsep2() {
-    if [[ "$1" == *"$2"* ]]; then
-        set_var "${3:-first}" "${1%$2*}"
-        set_var "${4:-second}" "${1##*$2}"
-    else
-        set_var "${3:-first}"
-        set_var "${4:-second}" "$1"
-    fi        
-}
-function splitvar() {
-    splitfsep "$1" = "${2:-name}" "${3:-value}"
-}
-function splitname() {
-    splitlsep "$1" . "${2:-basename}" "${3:-ext}"
-}
-function splithost() {
-    splitfsep "$1" . "${2:-hostname}" "${3:-domain}"
-}
-function splituserhost() {
-    splitfsep2 "$1" @ "${2:-user}" "${3:-host}"
-}
-function splitpair() {
-    splitfsep "$1" : "${2:-src}" "${3:-dest}"
-}
-function splitproxy() {
-    local __sp_tmp __sp_host __sp_port __sp_creds __sp_user __sp_password
-
-    __sp_tmp="${1#http://}"
-    if [[ "$__sp_tmp" == *@* ]]; then
-        __sp_creds="${__sp_tmp%%@*}"
-        __sp_tmp="${__sp_tmp#${__sp_creds}@}"
-        splitpair "$__sp_creds" __sp_user __sp_password
-    fi
-    __sp_tmp="${__sp_tmp%%/*}"
-    splitpair "$__sp_tmp" __sp_host __sp_port
-    [ -n "$__sp_port" ] || __sp_port=3128
-
-    set_var "${2:-host}" "$__sp_host"
-    set_var "${3:-port}" "$__sp_port"
-    set_var "${4:-user}" "$__sp_user"
-    set_var "${5:-password}" "$__sp_password"
-}
-function spliturl() {
-    local __su_tmp __su_scheme __su_creds __su_user __su_password __su_host __su_port __su_path
-
-    __su_scheme="${1%%:*}"
-    __su_tmp="${1#${__su_scheme}://}"
-    if [[ "$__su_tmp" == */* ]]; then
-        __su_path="${__su_tmp#*/}"
-        __su_tmp="${__su_tmp%%/*}"
-    fi
-    if [[ "$__su_tmp" == *@* ]]; then
-        __su_creds="${__su_tmp%%@*}"
-        __su_tmp="${__su_tmp#${__su_creds}@}"
-        splitpair "$__su_creds" __su_user __su_password
-    fi
-    splitpair "$__su_tmp" __su_host __su_port
-    if [ -z "$__su_port" ]; then
-        [ "$__su_scheme" == "http" ] && __su_port=80
-        [ "$__su_scheme" == "https" ] && __su_port=443
-        [ "$__su_scheme" == "ftp" ] && __su_port=21
-    fi
-
-    set_var "${2:-scheme}" "$__su_scheme"
-    set_var "${3:-user}" "$__su_user"
-    set_var "${4:-password}" "$__su_password"
-    set_var "${5:-host}" "$__su_host"
-    set_var "${6:-port}" "$__su_port"
-    set_var "${7:-path}" "$__su_path"
-}
-
-function set_var_cmd() {
-    echo "$1=$(quoted_arg "$2")"
-}
-function set_var() {
-    eval "$(set_var_cmd "$@")"
-}
-function set_var_literal() {
-    eval "$1=$2"
-}
 
 function set_array_cmd() {
     [ $# -eq 1 ] && set -- "$1" "$1"
@@ -1928,6 +1914,7 @@ function array_new(dest) {
 function array_newsize(dest, size,              i) {
   dest[0] = 0 # forcer awk à considérer dest comme un tableau
   delete dest
+  size = int(size)
   for (i = 1; i <= size; i++) {
     dest[i] = ""
   }
@@ -1957,11 +1944,12 @@ function array_add(dest, value,              lastindex) {
   dest[lastindex + 1] = value
 }
 function array_deli(dest, i,                 l) {
+  i = int(i)
   if (i == 0) return
   l = length(dest)
   while (i < l) {
     dest[i] = dest[i + 1]
-    i = i + 1
+    i++
   }
   delete dest[l]
 }
@@ -2017,11 +2005,11 @@ function key_index(value, values, ignoreCase,         i) {
   if (ignoreCase) {
     value = tolower(value)
     for (i in values) {
-      if (tolower(values[i]) == value) return i
+      if (tolower(values[i]) == value) return int(i)
     }
   } else {
     for (i in values) {
-      if (values[i] == value) return i
+      if (values[i] == value) return int(i)
     }
   }
   return 0
@@ -2036,7 +2024,7 @@ function array2s(values, prefix, sep, suffix, noindices,     first, i, s) {
     if (first) first = 0
     else s = s sep
     if (!noindices) s = s "[" i "]="
-    s = values[i]
+    s = s values[i]
   }
   s = s suffix
   return s
@@ -2603,7 +2591,7 @@ HELP_OPTIONS=
 function genparse() {
 
     local -a names descs vars options
-    local i desc var option name value shortopt
+    local i desc var option name uname value shortopt
 
     for var in "$@"; do
         if [[ "$var" == *=* ]]; then
@@ -2637,10 +2625,11 @@ function genparse() {
         i=0
         while [ $i -lt ${#descs[*]} ]; do
             name="${names[$i]}"
+            uname="$(strupper "$name")"
             desc="${descs[$i]}"
             echo -n "
-\${HELP_${name^^}_OPTION:-    $desc\${HELP_${name^^}_DESC:+
-        \${HELP_${name^^}_DESC//
+\${HELP_${uname}_OPTION:-    $desc\${HELP_${uname}_DESC:+
+        \${HELP_${uname}_DESC//
 /
         }}}"
             i=$(($i + 1))
@@ -2778,9 +2767,6 @@ function utools_local() {
     done
 }
 
-function echo_() {
-    echo -n "$*"
-}
 function isatty() {
     tty -s <&1
 }
@@ -3524,15 +3510,6 @@ function myhost() {
 function myhostname() {
     hostname -s 2>/dev/null || echo "$MYHOSTNAME"
 }
-
-UNAME_SYSTEM=`uname -s`
-[ "${UNAME_SYSTEM#CYGWIN}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Cygwin
-[ "${UNAME_SYSTEM#MINGW32}" != "$UNAME_SYSTEM" ] && UNAME_SYSTEM=Mingw
-UNAME_MACHINE=`uname -m`
-if [ -n "$UTOOLS_CHROOT" ]; then
-    [ -n "$UTOOLS_UNAME_SYSTEM" ] && eval "UNAME_SYSTEM=$UTOOLS_UNAME_SYSTEM"
-    [ -n "$UTOOLS_UNAME_MACHINE" ] && eval "UNAME_MACHINE=$UTOOLS_UNAME_MACHINE"
-fi
 ##@inc]base
 ##@inc[pretty
 ## Affichage en couleur, et support de niveaux de "verbosité" et d'interaction