-alias tsl='t /var/log/syslog'
-alias tml='t /var/log/mail.log'
-alias tal='t /var/log/auth.log'
-alias tdl='t /var/log/daemon.log'
-alias tkl='t /var/log/kern.log'
+compdef _files t
+
+function ltail() { t ~log/$1 }
+compdef '_files -W ~log' ltail
+
+function lless() { sensible-pager ~log/$1 }
+compdef '_files -W ~log' lless
+
+alias tsl='ltail syslog'
+alias lsl='lless syslog'
+alias tml='ltail mail.log'
+alias lml='lless mail.log'
+alias tal='ltail auth.log'
+alias lal='lless auth.log'
+alias tdl='ltail daemon.log'
+alias ldl='lless daemon.log'
+alias tkl='ltail kern.log'
+alias lkl='lless kern.log'
+
+function lgrep() {
+ local pattern="$1"; shift
+ eval egrep "'$pattern'" "~log/${(j: ~log/:)@}"
+}