Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #14291

Re: Redirect to variable

From Robert Durkacz <robert.durkacz@gmail.com>
Newsgroups gnu.bash.bug
Subject Re: Redirect to variable
Date 2018-07-03 22:43 +1000
Message-ID <mailman.3000.1530621815.1292.bug-bash@gnu.org> (permalink)

Show all headers | View raw


On 5/21/18 Chet Ramey wrote:


> What you're asking for is syntactic sugar for:

> some-command > temp-file
> echo '#' >> temp-file
> variablename=$(< temp-file)
> rm -f temp-file
> variablename=${variablename%?}

> I would look at a sample implementation, possibly using mmap, if someone
did one.

Could someone please explain the reason for inserting and removing the #
character. It is as if to ensure temp-file is non-empty but it seems to me
it would work anyway.

Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread


Thread

Re: Redirect to variable Robert Durkacz <robert.durkacz@gmail.com> - 2018-07-03 22:43 +1000

csiph-web