#!/bin/csh -f##  rmuser  - remove users, in the same vein as adduser.#  	     leaves phonelist entry for future reference.## 	   -a flag makes it actually remove from the passwd file#	   default is to replace password with the date, and leave #	   /etc/passwd.   This allows accounting to correctly #	   identify the user at the end of the month.## get user if not on cmd line.#onintr quit:set absolute=0if (${#argv} < 1)  then	echo "enter user to be removed."	set argv=$<endif#if ( $1 == "-a" ) then	set absolute=1	set argv[1]=	echo "removing absolutely\!"endif###  initialize files to be altered.#set group="/etc/group"set passwd="/etc/passwd"set maildir="/usr/spool/mail"#umask 220set datenow = `date`set month = $datenow[2]set year = $datenow[6]@ yearsuffix = $year - 1900set date = $month$yearsuffixset null##  run login loop, rm'ing each.#foreach login ($argv)	set good=`grep "^${login}:" ${passwd} | awk -F: '{print $5}'`	if ("${good}" == "${null}") then		set msg=" not in password file."		echo ${login} ${msg}		continue	endif##  verify removal of this user.#	if (${login} == "root") then		echo "no removing root allowed\!"		echo "you will have to do it the hard way."		continue	endif#	echo "ok to remove ${good}? (y/n)"		set ans=$<	if (${ans} != y) continue##  find home directory in passwd file#	set home=`grep "^${login}:" ${passwd} | awk -F: '{print $6}'`	echo ${home}	echo "ok to remove home?(${home}) (y/n)"	set ans=$<	if (${ans} != y) then		echo "continue with removing this user? (y/n)"		set ans=$<		if (${ans} != y) continue	else		echo "removing home"		rm -r ${home}	endif##  remove mail#	echo "removing mail"	set mail="${maildir}/${login}"	if (-e ${mail}) rm -f ${mail}##  remove passwd entry.#	while (-e /etc/ptmp)		echo "Waiting for password file to become available."		sleep 5	end	touch /etc/ptmp	echo "removing passwd entry"	if ($absolute) then		echo "/"^$login":[^:]*:/d" > /tmp/rmu$$	else		echo "s/^"$login":[^:]*:/"$login":"$date":/" > /tmp/rmu$$	endif	sed -f /tmp/rmu$$ ${passwd} > /etc/ptmp	mv /etc/ptmp ${passwd}##  remove login name from group file#	echo "removing group entry"	set scrpt="g/,${login},/s//,/"	echo ${scrpt} > /tmp/rmu$$	set scrpt="g/,${login}/s///"	echo ${scrpt} >> /tmp/rmu$$	set scrpt="g/:${login},/s//:/"	echo ${scrpt} >> /tmp/rmu$$	set scrpt="w"	echo ${scrpt} >> /tmp/rmu$$	set scrpt="q"	echo ${scrpt} >> /tmp/rmu$$	ed ${group} </tmp/rmu$$##  wrap up and continue.#	rm /tmp/rmu$$end  #foreachquit:	rm -f /tmp/rmu$$