gawk Regression: CR characters are not stripped on Windows
Andrey Repin
anrdaemon@yandex.ru
Tue Feb 27 09:50:00 GMT 2018
Greetings, Orgad Shaneh!
> 1. The gawk info page states that:
>> Under MS-Windows,
------------^^^^^^^
>> 'gawk' (and many other text programs) silently
>> translates end-of-line '\r\n' to '\n' on input and '\n' to '\r\n' on
>> output.
> and on Feb 8 the following section was added:
>> Recent versions of Cygwin open all files in binary mode. This means
>> that you should use 'RS = "\r?\n"' in order to be able to handle
>> standard MS-Windows text files with carriage-return plus line-feed line
>> endings.
> This breaks compatibility between different gawk versions. What were
> the reasons for this change in cygwin, and why was it pushed upstream?
> 2. Git and other tools automatically convert text files to CRLF on
> Windows.
--^^^^^^^
Cygwin is not "Windows", it is "sort of Linux".
Besides, this kind silent mangling is dangerous to an unsuspecting user.
> This means that any awk script that runs on both platforms
> must use RS = "\r?\n". One example that was broken by this behavior
> change is gerrit's commit-msg hook[1], which scans for empty lines by
> /^$/ regexp.
--
With best regards,
Andrey Repin
Tuesday, February 27, 2018 12:44:21
Sorry for my terrible english...
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
More information about the Cygwin
mailing list