#!/bin/ksh
#
# Author: Mohit Dubey
# Visit http://www.geocities.com/md_seraphin for more goodies!
#
# This program is distributed under the GNU Public License Version 2
# with the additional privisio that the original author's name and
# contact details must be retained as-is in any modified or copied
# versions of this program.
#

if [[ ${#} -lt 1 ]]
then
	printf "\n\tUsage:\n"
	printf "\t   run [<path>/]<prog-name> [ [<param>] [<param>]... ]\n"
	printf "\n\twhere <prog-name> can be any executable script or binary.\n"
	printf "\tShell environment provided is ksh with background job\n"
	printf "\tmonitoring activated. The shell will inherit all exported\n"
	printf "\tsettings of the caller's environment.\n\n"
	exit
fi

PROGNAME=${1}
RUNCMD="$*"

testPattern=$(print ${PROGNAME} | sed '/\//p'| wc -l)
if [[ ${testPattern} -eq 2 ]]
then
	RUNPATH=${PROGNAME%/*}
	PROGNAME=${PROGNAME##*/}
else
	RUNPATH="."
fi

if [[ ! -x ${RUNPATH}/${PROGNAME} ]]
then
	printf "\n[%s] not found or not an executable!\n\n" ${RUNPATH}/${PROGNAME}
	exit
fi

if [[ ! -w ${RUNPATH} ]]
then
	printf "\n[%s] is not writable!\n\n" ${RUNPATH}
	exit
fi

printf "\nStarting run...\n"
nohup ${RUNCMD} &
childPID=$(jobs -l %%| nawk '{printf "%s",$3;}')

printf "Spawned process with PID[%s]\n" ${childPID}
printf "To terminate the process, use\n"
printf "\tkill [-9] %s\n\n" ${childPID}