j-hpn-ssh/fixpaths

#!/usr/bin/env sh
#
# fixpaths  - substitute makefile variables into text files
# Usage: fixpaths -Dsomething=somethingelse ...

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

test -n "$(printf '%s\n' "$1" | grep -- -D)" ||
	die $0: nothing to do - no substitutions listed!

test -n "$(printf '%s\n' "$1" | grep -- '-D[^=]\+=[^ ]\+')" ||
	die $0: error in command line arguments.

test -n "$(printf '%s\n' "${*}" | grep -- ' [^-]')" ||
	die Usage: $0 '[-Dstring=replacement] [[infile] ...]'

sed $(printf '%\n' "${*}" | sed -e 's/-D\([^=]\+\)=\([^ ]*\)/-e s=\1=\2=g/g')

exit 0