+ fast_func_append=false
+fi
+
+# func_remove_prefix var prefix
+# removes the given prefix from the value of the shell variable var.
+# var should be the name of a shell variable.
+# Its value should not contain a newline and not start or end with whitespace.
+# prefix should not contain the characters "$`\{}[]^|.
+if ( foo=bar; eval 'test "${foo#b}" = ar' ) >/dev/null 2>&1; then
+ func_remove_prefix ()
+ {
+ eval "$1=\${$1#\$2}"
+ }
+ fast_func_remove_prefix=true
+else
+ func_remove_prefix ()
+ {
+ eval "value=\"\$$1\""
+ prefix="$2"
+ case "$prefix" in
+ *.*)
+ sed_escape_dots='s/\([.]\)/\\\1/g'
+ prefix=`echo "$prefix" | sed -e "$sed_escape_dots"`
+ ;;
+ esac
+ value=`echo "$value" | sed -e "s|^${prefix}||"`
+ eval "$1=\"\$value\""
+ }
+ fast_func_remove_prefix=false
+fi
+
+# func_remove_suffix var suffix
+# removes the given suffix from the value of the shell variable var.
+# var should be the name of a shell variable.
+# Its value should not contain a newline and not start or end with whitespace.
+# suffix should not contain the characters "$`\{}[]^|.
+if ( foo=bar; eval 'test "${foo%r}" = ba' ) >/dev/null 2>&1; then
+ func_remove_suffix ()
+ {
+ eval "$1=\${$1%\$2}"
+ }
+ fast_func_remove_suffix=true
+else
+ func_remove_suffix ()
+ {
+ eval "value=\"\$$1\""
+ suffix="$2"
+ case "$suffix" in
+ *.*)
+ sed_escape_dots='s/\([.]\)/\\\1/g'
+ suffix=`echo "$suffix" | sed -e "$sed_escape_dots"`
+ ;;
+ esac
+ value=`echo "$value" | sed -e "s|${suffix}\$||"`
+ eval "$1=\"\$value\""
+ }
+ fast_func_remove_suffix=false