?? ad2c.script
字號:
#!/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.## 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/$/",/ Otherwise add closing quote and comma...# p ...output the line...# d ...and clear the pattern space so it's not printed again# : slash Branch comes here if line ends in backslash# n Read next line, append to pattern space# [...] The "d" and "s" commands that follow just delete# comments and blank lines and escape control sequences# b test Branch up to see if the line ends in backslash or not#sed '/^!/d/^$/ds/\\/\\\\/gs/\\$//gs/"/\\"/gs/^/"/: test/\\$/b slashs/$/",/pd: slashn/^!/d/^$/ds/"/\\"/gs/\\\\/\\/gs/\\n/\\\\n/gs/\\t/\\\\t/gs/\\f/\\\\f/gs/\\b/\\\\b/gb test' "$@"
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