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Re: [Help-bash] What is the best way to push back an element to address@
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] What is the best way to push back an element to address@hidden |
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Date: |
Mon, 18 Apr 2016 08:09:55 -0400 |
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User-agent: |
Mutt/1.4.2.3i |
On Sun, Apr 17, 2016 at 09:49:28AM -0500, Peng Yu wrote:
> Obviously, way 1 is faster,
Then use this way.
> Way 2 is much slower, because I understand that the time to add an
> element to $@ will increase as the size of $@ increases.
The only time you should be manipulating $@ via set -- is when you are
writing for sh, rather than for bash. sh does not have arrays. It
*only* has address@hidden So all of the trickery involving $@ is just to work
around the lack of arrays in the inferior sh programming language.