do_sort

早期freebsd实现

#! /bin/sh
#
#	@(#)do_sort	8.1 (Berkeley) 5/31/93
#
# an aggressive little script for sorting the fortune files
# depends on octal 02 and 03 not being anywhere in the files.

sp="/usr/bin/sort -bdfu -T /var/tmp"

sed 's/^%$//' | tr '\12' '\3' | tr '\2' '\12' | $sp | sed 'a\
	%' | sed -e 's/^//' -e 's/$//' | tr '\3' '\12'