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Re: New Feature Request
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From: |
Greg Wooledge |
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Subject: |
Re: New Feature Request |
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Date: |
Mon, 4 Jan 2021 08:38:56 -0500 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Mon, Jan 04, 2021 at 08:26:59AM -0500, Saint Michael wrote:
> In this case, how do I quickly increase the number stored in "foo"?
> the file has 10000 as content, and I have a new value to add to it quickly.
> Is there an atomic way to read,add, write a value to "foo"?
Nope!
It's almost like bash isn't a real programming language, huh?
(The workaround you're looking for is called "locking". My FAQ has a
page about it, but it's pretty basic stuff, intended to prevent two
instances of a script from running simultaneously, not for distributed
computing applications.)