1 files changed, 112 insertions, 0 deletions
diff --git a/Completion/Unix/Command/_pgrep b/Completion/Unix/Command/_pgrep
new file mode 100644
index 000000000..f65324a81
--- /dev/null
+++ b/Completion/Unix/Command/_pgrep
@@ -0,0 +1,112 @@
+#compdef pgrep pkill 
+
+local context state line
+typeset -A opt_args
+typeset -a arguments
+
+arguments=('-P[parent process id]:parent process id:->ppid' 
+	   '-g[match only in process group ids]:group:->pgid' 
+	   '-G[match only real group id]:group:->group' 
+	   '-s[match only session id]:session id:->sid' 
+	   '-t[match only controlled by terminal]:terminal device:->tty'
+	   '-u[match only effective user id]:user:->user' 
+	   '-U[match only real user id]:user:->user' 
+           '(-n)-o[oldest process]' 
+	   '(-o)-n[newest process]' 
+	   '-f[match against full command line]' 
+	   '-v[negate matching]' 
+	   '-x[match exactly]' 
+	   '*:process name:->pname')
+
+if [[ $service == 'pkill' ]]
+then
+	arguments+=('-'${^signals}'[signal]')
+elif [[ $service == 'pgrep' ]]
+then
+	arguments+=('-d[output delimiter]:delimiter:compadd ${(s\:\:)IFS}'
+		    '-l[list name in addition to id]')
+fi
+
+_arguments -s -w $arguments
+
+case $state in
+	(tty)
+		compset -P '*,'
+
+		local -a used
+		used=(${(s:,:)IPREFIX})
+
+		compadd -S ',' -q -F used /dev/tty*(:t)
+		;;
+		
+	(sid)
+		compset -P '*,'
+
+		local -a used sid
+		used=(${(s:,:)IPREFIX})
+		sid=(${(uon)$(ps -A o sid=)})
+
+		compadd -S ',' -q -F used $sid
+		;;
+	
+	(ppid)
+		compset -P '*,'
+
+		local -a used ppid
+		used=(${(s:,:)IPREFIX})
+		ppid=(${(uon)$(ps -A o ppid=)})
+
+		compadd -S ',' -q -F used $ppid
+		;;
+
+	(pgid)
+		compset -P '*,'
+
+		local -a used pgid
+		used=(${(s:,:)IPREFIX})
+		pgid=(${(uon)$(ps -A o pgid=)})
+
+		compadd -S ',' -q -F used $pgid
+		;;
+	
+	(pname)
+		if (( ${+opt_args[-x]} )) && (( ${+opt_args[-f]} ))
+		then
+			compadd ${(u)${(f)"$(ps -A o cmd=)"}}
+		else
+			compadd ${(u)${(f)"$(ps -A co cmd=)"}}
+		fi
+		;;
+	
+	(group)
+		compset -P '*,'
+
+		local group
+		group=$(getent group)
+
+		local -a groups ids
+		groups=(${${(f)group}%%:*})
+		ids=(${${${(f)group}#*:*:}%%:*})
+
+		local -a used
+		used=(${(s:,:)IPREFIX})
+
+		compadd -S ',' -q -F used -d ids $groups $groups
+		;;
+
+	(user)
+		compset -P '*,'
+
+		local passwd
+		passwd=$(getent passwd)
+
+		local -a users ids
+		users=(${${(f)passwd}%%:*})
+		ids=(${${${(f)passwd}#*:*:}%%:*})
+		
+		local -a used
+		used=(${(s:,:)IPREFIX})
+
+		compadd -S ',' -q -F used -d ids $users $users
+		;;
+esac