diff --git a/lib/ulib/cgi b/lib/ulib/cgi
index de86837..4c59d8f 100644
--- a/lib/ulib/cgi
+++ b/lib/ulib/cgi
@@ -32,6 +32,13 @@ function nocache_header() {
     echo "Expires: Thu, 01 Jan 1970 00:00:00 GMT"
 }
 
+function cgiredirect() {
+    # Rediriger le client vers une autre page
+    echo "Status: 302 Found"
+    echo "Location: $1"
+    echo ""
+}
+
 function cgicontent() {
     # Générer les en-têtes nécessaire avant de servir le contenu.
     # $1(=text/html) est le type de contenu. S'il faut servir le contenu avec
@@ -71,3 +78,9 @@ function cgicontent_nocache() {
     echo ""
     [ -f "$contentfile" ] && cat "$contentfile"
 }
+
+function cgierror() {
+    # Afficher un message d'erreur
+    cgicontent_nocache text/plain
+    echo "ERROR: $*"
+}
diff --git a/lib/ulib/cgilsxml b/lib/ulib/cgilsxml
deleted file mode 100644
index 8e78929..0000000
--- a/lib/ulib/cgilsxml
+++ /dev/null
@@ -1,8 +0,0 @@
-##@cooked comments # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
-## Fonction de support pour cgilsxml
-##@cooked nocomments
-##@require ulib
-uprovide cgilsxml
-urequire ulib
-
-function cgilsxml() { "$ULIBDIR/support/cgilsxml.py" "$@"; }
diff --git a/lib/ulib/cgiupload b/lib/ulib/cgisupport
similarity index 51%
rename from lib/ulib/cgiupload
rename to lib/ulib/cgisupport
index 3d6e4d9..21caa89 100644
--- a/lib/ulib/cgiupload
+++ b/lib/ulib/cgisupport
@@ -1,8 +1,10 @@
 ##@cooked comments # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
-## Fonction de support pour cgiupload
+## Fonction de support pour faire des scripts CGI
 ##@cooked nocomments
 ##@require ulib
-uprovide cgiupload
+uprovide cgisupport
 urequire ulib
 
+function cgiparams() { "$ULIBDIR/support/cgiparams.py" "$@"; }
+function cgilsxml() { "$ULIBDIR/support/cgilsxml.py" "$@"; }
 function cgiupload() { "$ULIBDIR/support/cgiupload.py" "$@"; }
diff --git a/lib/ulib/support/cgiparams.py b/lib/ulib/support/cgiparams.py
new file mode 100755
index 0000000..1087b89
--- /dev/null
+++ b/lib/ulib/support/cgiparams.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 mode: python -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+
+u"""Ce script est prévu pour être utilisé dans un script CGI.
+
+Il permet de lister les paramètres du formulaire et d'y accéder depuis un script bash
+"""
+
+import re, cgi
+
+RE_NAME_VALUE = re.compile(r'([a-zA-Z0-9_-]+)(?:=(.*))?$')
+
+def quote(value, q=False):
+    if value or q:
+        value = "'%s'" % value.replace("'", "'\\''")
+        value = re.sub(r"(?<!\\)''", "", value)
+        return value
+    else: return ""
+    
+def print_scalar(name, value):
+    print "%s=%s" % (name, quote(value))
+
+def print_array(name, values):
+    print "%s=(" % name
+    for value in values:
+        print quote(value, True)
+    print ")"
+
+def run_cgiparams():
+    from optparse import OptionParser
+    OP = OptionParser(usage=u"\n\t%prog [options] params...", description=__doc__)
+    o, args = OP.parse_args()
+
+    form = cgi.FieldStorage(keep_blank_values=True)
+    if args:
+        for nv in args:
+            mo = RE_NAME_VALUE.match(nv)
+            if mo is None: continue
+            fname, defvalue = mo.group(1), mo.group(2)
+            if defvalue is None: defvalue = ''
+            vname = fname.replace('-', '_')
+            values = form.getlist(fname)
+            if len(values) == 0: print_scalar(vname, defvalue)
+            elif len(values) == 1: print_scalar(vname, values[0])
+            else: print_array(vname, values)
+    else:
+        for fname in form.keys():
+            vname = fname.replace('-', '_')
+            values = form.getlist(fname)
+            if len(values) == 1: print_scalar(vname, values[0])
+            else: print_array(vname, values)
+
+if __name__ == '__main__':
+    run_cgiparams()