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extensions/net.sf.basedb.reggie/trunk/src/net/sf/basedb/reggie/grid/scripts/stdwrap.sh

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Rev	Date	Author	Line
6630	07 Mar 22	nicklas	1	#!/bin/bash
6628	07 Mar 22	nicklas	2	# $Id $
6628	07 Mar 22	nicklas	3	#
6628	07 Mar 22	nicklas	4	# Wrapper script to be used for "misbehaving" programs that
6628	07 Mar 22	nicklas	5	# write everyting to stderr, including important output and
6628	07 Mar 22	nicklas	6	# error messages.
6628	07 Mar 22	nicklas	7	#
6628	07 Mar 22	nicklas	8	# The wrapper calls the program and redirect the output to
6628	07 Mar 22	nicklas	9	# stdout if the program exits with 0 or to stderr if it
6628	07 Mar 22	nicklas	10	# exits with some other value.
6628	07 Mar 22	nicklas	11	#
6628	07 Mar 22	nicklas	12	# Usage: ./stdwrap cmd [other parameters]
6628	07 Mar 22	nicklas	13	#
6628	07 Mar 22	nicklas	14
6628	07 Mar 22	nicklas	15	# create temporary file in current directory
6628	07 Mar 22	nicklas	16	TMP=`mktemp --tmpdir=.`
6628	07 Mar 22	nicklas	17
6628	07 Mar 22	nicklas	18	# start program and redirect stderr + stdout to the temporary file
6628	07 Mar 22	nicklas	19	CMD=$1
6628	07 Mar 22	nicklas	20	shift
6628	07 Mar 22	nicklas	21	${CMD} "${@}" 2> ${TMP} 1>&2
6628	07 Mar 22	nicklas	22
6628	07 Mar 22	nicklas	23	# get exit code
6628	07 Mar 22	nicklas	24	EXIT_CODE=$?
6628	07 Mar 22	nicklas	25
6628	07 Mar 22	nicklas	26	if [ ${EXIT_CODE} -eq 0 ]; then
6628	07 Mar 22	nicklas	27	# exit code is 0, copy temporary file to stdout
6628	07 Mar 22	nicklas	28	cat ${TMP}
6628	07 Mar 22	nicklas	29	rm ${TMP}
6628	07 Mar 22	nicklas	30	else
6628	07 Mar 22	nicklas	31	# exit code is != 0, copy temporary file to stderr
6628	07 Mar 22	nicklas	32	cat ${TMP} 1>&2
6628	07 Mar 22	nicklas	33	rm ${TMP}
6628	07 Mar 22	nicklas	34	# exit with same exit code
6628	07 Mar 22	nicklas	35	exit ${EXIT_CODE}
6628	07 Mar 22	nicklas	36	fi
6628	07 Mar 22	nicklas	37