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researchv10 Dan Cross

#! /bin/sh
# set -x
# trget: convert files for troff so troff doesn't tizzify
PATH=/bin:/usr/bin
s1="s/\\\\/\\\\e/g"
s2="s/^/\\\\\\&/"
case $# in
[01]) echo usage trget nargs input line1 line2 exitline 1>&2; exit 1
esac
case "$1" in
2)	cmd="-e '$s1' -e '$s2'";;
3)	cmd="-n -e '$s1' -e '$s2' -e '$3{;p;q;}'" ;;
4)	cmd="-n -e '$3,$4{;$s1;$s2;p;}'" ;;
*)	cmd="-n -e '$5{;$s1;$s2;p;q;}' -e '$3,$4{;$s1;$s2;p;}'" ;;
esac
(eval sed $cmd) < $2

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