A NOTE has been added to this issue. ====================================================================== http://austingroupbugs.net/view.php?id=1105 ====================================================================== Reported By: stephane Assigned To: ====================================================================== Project: 1003.1(2016)/Issue7+TC2 Issue ID: 1105 Category: Shell and Utilities Type: Enhancement Request Severity: Editorial Priority: normal Status: New Name: Stéphane Chazelas Organization: User Reference: Section: awk Page Number: Line Number: Interp Status: --- Final Accepted Text: ====================================================================== Date Submitted: 2016-12-05 21:52 UTC Last Modified: 2018-04-30 12:00 UTC ====================================================================== Summary: problems with backslashes in awk strings and EREs ======================================================================
---------------------------------------------------------------------- (0004018) stephane (reporter) - 2018-04-30 12:00 http://austingroupbugs.net/view.php?id=1105#c4018 ---------------------------------------------------------------------- re: http://austingroupbugs.net/view.php?id=1105#c3999 Yes, I came across that recently as well (though I didn't find the POSIX spec ambiguous then) at https://unix.stackexchange.com/questions/439752/replace-pattern-each-time-with-a-different-string-taken-from-external-file/439754#439754 I had to be use gsub(/[&\\]/, "\\\\&", repl) to "escape" the & and \ characters in "repl" (so it can later be used verbatim in another sub()), and for gawk, I had to enable the POSIX mode for that "\\\\&" to mean a literal backslash followed by the matched string. I noticed it didn't work in heirloom awk_su3 (presumably the same as Solaris awk), I assumed a bug. I agree that if the spec is not already clear there, it would be worth addressing as part of that same bug. Issue History Date Modified Username Field Change ====================================================================== 2016-12-05 21:52 stephane New Issue 2016-12-05 21:52 stephane Name => Stéphane Chazelas 2016-12-05 21:52 stephane Section => awk 2018-04-25 22:27 McDutchie Note Added: 0003999 2018-04-26 08:53 joerg Note Added: 0004000 2018-04-30 09:59 geoffclare Note Added: 0004014 2018-04-30 10:39 stephane Note Added: 0004015 2018-04-30 11:06 McDutchie Note Added: 0004016 2018-04-30 11:26 geoffclare Note Added: 0004017 2018-04-30 12:00 stephane Note Added: 0004018 ======================================================================
