j-hpn-ssh/fixalgorithms

#!/usr/bin/env sh
#
# fixciphers - remove unsupported ciphers from man pages.
# Usage: fixpaths /path/to/sed cipher1 [cipher2] <infile >outfile
#
# Author: Darren Tucker (dtucker at zip com.au).  Placed in the public domain.

die()
{
	printf '%s\n' "${*}"
	exit 1
}

SED=$1
shift

for c in ${*}; do
	subs="$subs -e /.Dq.$c.*$/d"
	subs="$subs -e s/$c,//g"
done

# now remove any entirely empty lines
subs="$subs -e /^$/d"

${SED} $subs

exit 0