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#!/usr/local/plan9/bin/rc . 9.rc PROMPT='[^ ]*[%;$#][ ]+' fn cmds { wintext | sed -n 's/^'$PROMPT'([^"])/ \1/p' } switch($#*) { case 0 cmds | tail -1 case * cmds | grep -n '^ '^$"* | tail -r | sort -u +1 | sort -n | sed 's/^[0-9]+: //' }