Re: Bash heredoc on FD 3
- Date: Tue, 4 Dec 2018 09:21:55 -0500
- From: cyg Simple <cygsimple@xxxxxxxxx>
- Subject: Re: Bash heredoc on FD 3
On 12/4/2018 7:13 AM, Houder wrote:
On Sun, 02 Dec 2018 10:43:17, Steven Penny wrote:
Using this file:
$ cat hello.sh
awk -f /dev/fd/3 3<<eof
print "hello world"
it runs as expected with Dash:
$ dash hello.sh
However it fails with Bash:
$ bash hello.sh
awk: fatal: can't open source file `/dev/fd/3' for reading (No such file or
I tried also with Debian and both Dash and Bash work as expected. What is
causing Cygwin Bash to fail here?
File to which symlnk /dev/fd/3 refers has "gone"; different from Linux, where
the file is "deleted", but still "available".
(note: dash uses a different implementation)
Dash is faster in processing the data but can be made to fail if you add
-d to the ls commands you're using.
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