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To: cygwin AT cygwin DOT com
From: trodman AT nyx DOT net
Reply-to: trodman AT nyx DOT net
Subject: grep and sed are Cygwin "text tools", which others?, where is the list?
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Date: Wed, 13 Feb 2002 13:29:37 -0600

grep and sed are Cygwin "text tools" ;they strip out "\r" in a binary pipe.
Forgive me for oversimplifying the "text tools" concept.

Which other Cygwin tools have this behavior, and where is this
documented?

Per my tests below, cat, tac, perl, awk, head, tail, and tee are "binary tools".

thanks/regards,
-- 
Tom Rodman <trodman AT nyx DOT net>

--v-v------------------C-U-T---H-E-R-E-------------------------v-v--
> 12:59:51 Wed Feb 13  /drv/c/TEMP
> WS011206 adm > printf "hi\r\n"|od -a  # this is Cygwin 1.3.9
0000000   h   i  cr  nl
0000004
> 13:00:40 Wed Feb 13  /drv/c/TEMP
> WS011206 adm > printf "hi\r\n"|cat|od -a
0000000   h   i  cr  nl
0000004
> 13:00:43 Wed Feb 13  /drv/c/TEMP
> WS011206 adm > printf "hi\r\n"|grep '.*'|od -a
0000000   h   i  nl
0000003
> 13:00:47 Wed Feb 13  /drv/c/TEMP
> WS011206 adm > printf "hi\r\n"|sed '/foo/d'|od -a
0000000   h   i  nl
0000003
> 13:01:53 Wed Feb 13  /drv/c/TEMP
> WS011206 adm > printf "hi\r\n"|perl -pe '1;' |od -a
0000000   h   i  cr  nl
0000004
> 13:03:49 Wed Feb 13  /bin
> WS011206 adm > printf "hi\r\n"|awk '{print}'|od -a
0000000   h   i  cr  nl
0000004
> 13:06:25 Wed Feb 13  /bin
> WS011206 adm > printf "hi\r\n"|tac|od -a
0000000   h   i  cr  nl
0000004
> 13:07:24 Wed Feb 13  /bin
> WS011206 adm > printf "hi\r\n"|head|od -a
0000000   h   i  cr  nl
0000004
> 13:07:34 Wed Feb 13  /bin
> WS011206 adm > printf "hi\r\n"|tail|od -a
0000000   h   i  cr  nl
0000004
> 13:09:38 Wed Feb 13  /bin
> WS011206 adm > printf "hi\r\n"|tee|od -a
0000000   h   i  cr  nl
0000004


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