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#!/bin/sh
#
# ad2c : Convert app-defaults file to C strings decls.
#
# George Ferguson, ferguson@cs.rcohester.edu, 12 Nov 1990.
# 19 Mar 1991: gf
# Made it self-contained.
# 6 Jan 1992: mycroft@gnu.ai.mit.edu (Charles Hannum)
# Removed use of "-n" and ":read" label since Gnu and
# IBM sed print pattern space on "n" command. Still works
# with Sun sed, of course.
# 7 Jan 1992: matthew@sunpix.East.Sun.COM (Matthew Stier)
# Escape quotes after escaping backslashes.
# 8 Jul 1992: Version 1.6
# Manpage fixes.
# 19 Apr 1993: Version 1.7
# Remove comments that were inside the sed command since
# some versions of sed don't like them. The comments are
# now given here in the header.
# 15 Oct 1996: a.hentz@ieee.org (Andre Hentz)
# Escape \\ in \\< and \\> (\\> turns into \\\\>)
#
# Comments on the script by line:
# /^!/d Remove comments
# /^$/d Remove blanks
# s/\\/\\\\/g Escape backslashes...
# s/\\$//g ...except the line continuation ones
# s/"/\\"/g Escape quotes
# s/^/"/ Add leading quote
# : test Establish label for later branch
# /\\$/b slash Branch to label "slash" if line ends in backslash
# s/$/",/ Otherwise add closing quote and comma...
# p ...output the line...
# d ...and clear the pattern space so it's not printed again
# : slash Branch comes here if line ends in backslash
# n Read next line, append to pattern space
# [...] The "d" and "s" commands that follow just delete
# comments and blank lines and escape control sequences
# b test Branch up to see if the line ends in backslash or not
#
sed '
: init
/^!/d
/^$/d
s/\\/\\\\/g
s/\\$//g
s/"/\\"/g
s/^/"/
: test
/\\$/b slash
s/$/",/
p
d
n
b init
: slash
n
/^!/d
/^$/d
s/\\/\\\\/g
s/\\$//g
s/"/\\"/g
/\\$/b slash
s/$/",/
p
d
n
b init
' "$@"
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