[Toybox] [PATCH] grep: `-f empty-file` matches nothing, not everything.
Rob Landley
rob at landley.net
Sat Jan 23 01:03:35 PST 2021
On 1/22/21 6:24 PM, enh via Toybox wrote:
> This came up trying to build kernels. Worked around for now by
> https://android-review.googlesource.com/c/kernel/build/+/1558655. POSIX
> says nothing about this, but the GNU grep man page explicitly mentions
> this behavior.
>
> Bug: https://issuetracker.google.com/178191979
That bug page is a login prompt, but...
$ echo hello | grep -f /dev/null
$ echo hello | toybox grep of /dev/null
hello
Yeah, that's a bug.
Try now?
Rob
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