##@cooked comments # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
## Fonctions de base: support des fonctions obsolètes et des versions de bash < 4.x
##@cooked nocomments
uprovide base.compat
urequire base.string

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" && [ "$1" -ne 0 ] && return 0
            # pour les perfs, n'utiliser strlower que ici
            case "$(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
fi