check4progs(), func to long please refer to description

$ if check4progs cp foo mv bar rsync; then echo "needed progs avail, lets do funky stuff"; else echo "oh oh better abort now"; fi
Thanks to the great grml team for this func! You really should look at their shell configs for further usefull things! http://git.grml.org/?p=grml-etc-core.git;a=blob_plain;f=etc/grml/script-functions;h=4d6bcea8f9beae83abd08f44155d299ea54a4a9f;hb=HEAD # {{{ check for availability of program(s) # usage example: # check4progs [-s,-q,--quiet,--silent] arg [arg .... argn] # # with option given either of: # -s,-q,--quiet,--silent # # check for available progs but produce no output check4progs() { [ -n "${ZSH_VERSION}" ] && emulate -L sh local RTN=0 local oldifs="${IFS}" local ARG d found local VERBOSE=1 case ${1} in -q | -s | --quiet | --silent) VERBOSE=0 shift 1 ;; *) ;; esac while [ $# -gt 0 ] do ARG="$1" shift found=0 IFS=: for d in $PATH do if [ -x "${d}/${ARG}" ] then found=1 break fi done IFS="${oldifs}" # check for availability if [ ${found} -eq 0 ] then if [ ${VERBOSE} -eq 1 ] then printf "%s: binary not found\n" "${ARG}" >&2 fi RTN=1 fi done # return non zero, if at least one prog is missing! return $RTN } # }}}
Sample Output
foo binary not found
bar binary not found
oh oh better abort now

-6
By: Xk2c
2015-01-01 16:16:00

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