:
##########################################################################
# Shellscript:	pidof - get process id (PID) from name
# Version    :	0.1 (beta)
# Author     :	Heiner Steven (heiner.steven@odn.de)
# Date       :	11.09.1996
# SCCS-Id.   :	$Id: pidof,v 1.1.1.1 1999/06/15 19:29:05 heiner Exp $
##########################################################################
# Bugs
#    o	SysV "ps -c" output truncates the command to 7 characters
#    o	Some special characters ("*", ...) break the awk expression
##########################################################################

PN=`basename "$0"`			# Program name
VER='0.1 (beta)'

Usage () {
    echo >&2 "$PN - get process id (PID) from name, $VER (hs '96)
usage: $PN [-av] name [...]
    -a:   search process arguments for given name, too
    -v:   print verbose output

$PN only matches complete names."
    exit 1
}

relaxed=false				# Check arguments, too (true/false)
verbose=false
while getopts :av Opt
do
    case "$Opt" in
	a)	relaxed=true;;
	v)	verbose=true;;
	\?)	Usage;;
    esac
done
shift `expr $OPTIND - 1`

[ $# -gt 0 ] || Usage

# Check which options to use with this system
if ps -ef > /dev/null 2>&1
then                            # System V style
    if [ $relaxed = true ]
    then PS="ps -ef"; Col=2
    else PS="ps -e";  Col=1
    fi
else                            # BSD style
    if [ $relaxed = true ]
    then PS="ps -aux"; Col=2
    else PS="ps -cax"; Col=1
    fi
fi

# Build one "awk" search pattern from all command names:
#   "(cmd1|cmd2|cmd3)"

Pattern=
for Name
do
    Pattern="${Pattern:+$Pattern|}$Name"
done
Pattern="[ 	/]($Pattern)([ 	]|$)"

if [ $verbose = false ]
then
    $PS | awk "/$Pattern/ { print \$$Col }"
else
    $PS | awk "/$Pattern/ { print }"
fi