+++ /dev/null
-# Filename: /etc/grml/script-functions
-# Purpose: some often used functions for use in shellscripts
-# Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
-# Bug-Reports: see http://grml.org/bugs/
-# License: This file is licensed under the GPL v2.
-# Latest change: Sam Sep 16 13:08:16 CEST 2006 [mika]
-################################################################################
-
-# {{{ set default PATH
-setpath(){
- export PATH=${PATH:-'/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin:/usr/local/bin'}
-}
-# }}}
-
-# {{{ check for root-permissions
-check4root(){
- if [ "$UID" != 0 ] ; then
- echo 1>&2 "Error: please run this script with uid 0 (root)." ; return 1
- fi
-}
-# }}}
-
-# {{{ check for user permissions
-check4user(){
- if [ "$UID" == 0 ] ; then
- echo 1>&2 "Error: please do not run this script with uid 0 (root)." ; return 1
- fi
-}
-# }}}
-
-# {{{ check for running zsh
-iszsh(){
- if ! [ -z "$ZSH_VERSION" ] ; then
- return 0
- else
- return 1
- fi
-}
-# }}}
-
-# {{{ check for (X)dialog
-setdialog(){
- if [ -n "$DISPLAY" ] ; then
- [ -x /usr/bin/Xdialog ] && DIALOG="Xdialog" && export XDIALOG_HIGH_DIALOG_COMPAT=1
- else
- [ -x /usr/bin/dialog ] && DIALOG='dialog' || ( echo 1>&2 "dialog not available" ; return 1 )
- fi
-}
-# }}}
-
-# {{{ check for availability of program(s)
-check4progs(){
- local RC=''
- for arg in $* ; do
- type -p $arg >/dev/null 2>&1 || RC="$arg"
- done
- if [ -n "$RC" ] ; then
- echo "$RC not installed"
- return 1
- fi
-}
-# }}}
-
-# {{{ simple shell grep
-stringinfile(){
- case "$(cat $2)" in *$1*) return 0;; esac
- return 1
-}
-# }}}
-
-# {{{ simple shell grep for strings
-stringinstring(){
- case "$2" in *$1*) return 0;; esac
- return 1
-}
-# }}}
-
-# {{{ reread boot command line; echo last parameter's argument or return false.
-getbootparam(){
- stringinstring " $1=" /proc/cmdline || return 1
- result="${/proc/cmdline##*$1=}"
- result="${result%%[ ]*}"
- echo "$result"
- return 0
-}
-# }}}
-
-# {{{ check boot commandline for specified option
-checkbootparam(){
- stringinstring " $1" /proc/cmdline
- return "$?"
-}
-# }}}
-
-# {{{ check whether $1 is yes
-checkvalue(){
- if [ "$1" = "yes" -o "$1" = "YES" ] ; then
- return 0
- else
- return 1
- fi
-}
-# }}}
-
-# {{{ grml specific checks
-isgrml(){
- [ -f /etc/grml_version ] && return 0 || return 1
-}
-
-grmlversion(){
- cat /etc/grml_version
-}
-
-isgrmlcd(){
- [ -f /etc/grml_cd ] && return 0 || return 1
-}
-
-isgrmlhd(){
- [ -f /etc/grml_cd ] && return 1 || return 0
-}
-
-checkgrmlsmall(){
- grep -q small /etc/grml_version 2>/dev/null && return 0 || return 1
-}
-# }}}
-
-# {{{ filesystems (proc, pts, sys)
-mount_proc(){
- check4root || return 1
- [ -f /proc/version ] || mount -t proc /proc /proc 2>/dev/null
-}
-
-mount_pts(){
- check4root || return 1
- stringinfile "/dev/pts" /proc/mounts || mount -t devpts /dev/pts /dev/pts 2>/dev/null
-}
-
-mount_sys(){
- check4root || return 1
- [ -d /sys/devices ] || mount -t sysfs /sys /sys 2>/dev/null
-}
-# }}}
-
-## END OF FILE #################################################################
-# vim:foldmethod=marker tw=80 ai expandtab shiftwidth=2 tabstop=2