# 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: Mit Okt 24 09:34:48 CEST 2007 [mika]
################################################################################
# {{{ set default PATH
# }}}
# {{{ 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
+check4progs() {
+ local RTN=0
+ local ARG=''
+ while [ ${#} -gt 0 ]
+ do
+ ARG="${1}"
+ shift
+
+ # check for availability
+ if ! \which "${ARG}" >/dev/null 2>&1
+ then
+ printf "%s: binary not found\n" "${ARG}" >&2
+ RTN=1
+ fi
+
+ done
+
+ # return non zero, if at least one prog is missing!
+ return ${RTN}
}
# }}}
# {{{ reread boot command line; echo last parameter's argument or return false.
getbootparam(){
- stringinstring " $1=" /proc/cmdline || return 1
- result="${/proc/cmdline##*$1=}"
+ CMDLINE=$(cat /proc/cmdline)
+ stringinstring " $1=" "$CMDLINE" || return 1
+ result="${CMDLINE##*$1=}"
result="${result%%[ ]*}"
echo "$result"
return 0
# {{{ check boot commandline for specified option
checkbootparam(){
- stringinstring " $1" /proc/cmdline
+ stringinfile " $1" /proc/cmdline
return "$?"
}
# }}}