From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin@cygwin.com
Subject: Re: 3.1.2: possible Cygwin DLL console or pty bug when forwarding the stdout to less within the Windows-Console (cmd.exe Win10 build 1809, 1903, 1909)
Date: Sun, 16 Feb 2020 02:19:00 -0000 [thread overview]
Message-ID: <20200216111854.ffeea2f3919f64d9213b41c9@nifty.ne.jp> (raw)
In-Reply-To: <20200215205104.aca750ee55b504e31ab6eb37@nifty.ne.jp>
On Sat, 15 Feb 2020 20:51:04 +0900
Takashi Yano wrote:
> On Fri, 14 Feb 2020 12:04:16 +0100
> cygwin@mg13.computerpost.de wrote:
> > Since 3.1.1 (including current 3.1.3-snapshot) I have the problem
> > that escape sequences (single character, not the three letters "ESC",
> > plus "[...m") suddenly appear inside less,
> > and when I leave less, the cmd.exe console displays escape sequences at
> > the cursor up (down, left, right) and does not respond correctly to cls.
> > It seems that less initializes the console and while less prints
> > something, another program deinitializes the console.
> > With 3.0.7 cygwin1.dll it works fine. (But I want xterm256-color from
> > 3.1.x cygwin1.dll.)
> >
> > Here simple examples:
> >
> > 1)
> > C:\Users\slasch>ls C:\Windows | less -E +G
> >
> > C:\Users\slasch>^[[A
> >
> >
> > 2)
> > C:\Users\slasch>ls C:\cygwin64\bin | less # then press G and q
> > ...
> > -rwxr-xr-x 1 slasch slasch   1940 Aug 26 2016 zcat
> > -rwxr-xr-x 1 slasch slasch   1665 Aug 26 2016 zcmp
> > -rwxr-xr-x 1 slasch slasch   5667 Aug 26 2016 zdiff
> > -rwxr-xr-x 1 slasch slasch     29 Aug 26 2016 zegrep
> > -rwxr-xr-x 1 slasch slasch     29 Aug 26 2016 zfgrep
> > -rwxr-xr-x 1 slasch slasch   2038 Aug 26 2016 zforce
> > -rwxr-xr-x 1 slasch slasch   7444 Aug 26 2016 zgrep
> > -rwxr-xr-x 1 slasch slasch   2154 Aug 26 2016 zless
> > -rwxr-xr-x 1 slasch slasch   1816 Aug 26 2016 zmore
> > -rwxr-xr-x 1 slasch slasch   4392 Aug 26 2016 znew
> > [K[?1l>[?1049l[23;0;0t7[3g[1;9HH[1;17HH[1;25HH[1;33HH[1;41HH[1;49HH[1;57HH[1;65HH[1;73HH[1;81HH[1;89HH[1;97HH[1;105HH[1;113HH8
> > C:\Users\slasch>^[OA^[OA
> >
> >
> > 3) # other PC other commands (Strawberry-Perl with "cmd.exe dir" stdout
> > forwarded to less) to show the single "escape character"(see attachment)
> > total 320^[[m
> > drwxr-xr-x+ 1 foo   foo                0 Feb 13 17:40 .^[[m
> > drwxr-xr-x+ 1 foo   foo                0 Feb 13 17:42 ..^[[m
> > -rwxr-xr-x 1 sadmin Administratoren 35147 Apr 30 2019 COPYING^[[m
> > -rwxr-xr-x 1 sadmin Administratoren 1458 Apr 30 2019 CYGWIN_LICENSE^[[m
> > -rw-r--r-- 1 foo   foo             2045 Dec 16 2017
> > _autorebase.README^[[m
> > -rw-r--r-- 1 foo   foo             2653 Apr 5 2013
> > alternatives.README^[[m
> > -rw-r--r-- 1 foo   foo             1694 Jul 9 2013 autoconf.README^[[m
> > -rw-r--r-- 1 foo   foo             2096 Jul 9 2013
> > autoconf2.1.README^[[m
> > -rw-r--r-- 1 foo   foo             1806 Jul 29 2013
> > automake1.9.README^[[m
> > -rw-r--r-- 1 foo   foo             4227 Apr 1 2019 autossh.README^[[m
> > -rw-r--r-- 1 foo   foo            17474 Jan 27 2017 bash.README^[[m
> > -rw-r--r-- 1 sadmin Administratoren 1468 Aug 9 2010
> > build-docbook-catalog.README^[[m
> > -rw-r--r-- 1 foo   foo            13113 Feb 3 2017 coreutils.README^[[m
> > -rw-rw---- 1 foo   foo             1863 Apr 16 2013 ctags-5.8.README^[[m
> > -rw-r--r-- 1 foo   foo            20685 Jan 28 2015 cygrunsrv.README^[[m
> > -rw-r--r-- 1 sadmin Administratoren 8136 Apr 30 2019 cygserver.README^[[m
> > -rw-r--r-- 1 foo   foo             2303 Feb 17 2017 dash.README^[[m
> > -rw-r--r-- 1 foo   foo             3671 Mar 10 2016 diffstat.README^[[m
> > -rw-r--r-- 1 foo   foo             2749 Dec 7 2016 diffutils.README^[[m
> > -rw-r--r-- 1 foo   foo             1965 Oct 3 19:59 dos2unix.README^[[m
> > -rw-r--r-- 1 foo   foo              626 Oct 31 2014
> > editrights.README^[[m
> > -rw-r--r-- 1 foo   foo             4829 Mar 11 2016 findutils.README^[[m
> > -rwxr-xr-x 1 foo   foo                0 Dec 13 09:28 gawk^[[m
> > :^[[K
>
> Thanks for the report. However, I cannot reproduce problem 1 and 3.
> I will submit a patch for the problem 2 shortly.
I could reproduce the problem 3 using less with -R option as
suggested by Georg, and found the patch for the problem 2
also solves the problem 3.
--
Takashi Yano <takashi.yano@nifty.ne.jp>
--
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prev parent reply other threads:[~2020-02-16 2:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 11:04 cygwin
2020-02-15 11:51 ` Takashi Yano
2020-02-16 2:19 ` Takashi Yano [this message]
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