creating a copy of a file with different name in bash

Question

I have a filename stored in $file.

I need to delete some contents from that file for some calculation. But the original file should not be modified. So I am looking for a way to create a duplicate copy of that file to modify, and then delete it later. Is there a way to create a file with command like "$filename+2" or something like that? How do I go about doing this?

what about cp ${filename} ${filename}.copy?

Absurd-Mind
– Absurd-Mind

2014-05-26 08:09:40 +00:00
Commented May 26, 2014 at 8:09 — Absurd-Mind
– Absurd-Mind, Commented May 26, 2014 at 8:09
was looking for something like this. thanks!

corbett
– corbett

2014-05-26 08:46:47 +00:00
Commented May 26, 2014 at 8:46 — corbett
– corbett, Commented May 26, 2014 at 8:46

brownlee · Accepted Answer · 2014-05-26 08:34:45Z

1

Use cp as already mentioned but consider using mktemp to create the temp filename.

answered May 26, 2014 at 8:34

brownlee

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