1 #!/usr/local/plan9/bin/rc
2 
3 . 9.rc
4 
5 PROMPT='[^ 	]*[%;$#][ 	]+'
6 
7 fn cmds {
8 	wintext | sed -n 's/^'$PROMPT'([^"])/	\1/p'
9 }
10 
11 switch($#*) {
12 case 0
13 	cmds | tail -1
14 case *
15 	cmds | grep -n '^	'^$"* | tail -r |
16 		sort -u +1 | sort -n |
17 		sed 's/^[0-9]+: //'
18 }