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Subject:	Re: Bash heredoc on FD 3
To:	cygwin AT cygwin DOT com
References:	<5c0427c5 DOT 1c69fb81 DOT d71e5 DOT c8ec AT mx DOT google DOT com>
From:	cyg Simple <cygsimple AT gmail DOT com>
Message-ID:	<b153a5b5-deea-c039-e93a-0555d8e2dba8@gmail.com>
Date:	Mon, 3 Dec 2018 10:43:31 -0500
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On 12/2/2018 1:43 PM, Steven Penny wrote:
> Using this file:
> 
>     $ cat hello.sh
>     awk -f /dev/fd/3 3<<eof
>     BEGIN {
>       print "hello world"
>     }
>     eof
> 
> it runs as expected with Dash:
> 
>     $ dash hello.sh
>     hello world
> 
> However it fails with Bash:
> 
>     $ bash hello.sh
>     awk: fatal: can't open source file `/dev/fd/3' for reading (No such 
> file or
>     directory)
> 
> I tried also with Debian and both Dash and Bash work as expected. What is
> causing Cygwin Bash to fail here?

Same for me and interestingly:

$ ls -ld /dev/fd/*
ls: cannot access '/dev/fd/3': No such file or directory
ls: cannot access '/dev/fd/31': No such file or directory
lrwxrwxrwx 1 eboyd53 eboyd53 0 Dec  3 10:39 /dev/fd/0 -> /dev/pty2
lrwxrwxrwx 1 eboyd53 eboyd53 0 Dec  3 10:39 /dev/fd/1 -> /dev/pty2
lrwxrwxrwx 1 eboyd53 eboyd53 0 Dec  3 10:39 /dev/fd/2 -> /dev/pty2

-- 
cyg Simple

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