How to tell gzip to keep original file?

Question

How to tell gzip to keep original file?

I would like to compress a text file using gzip command line tool while keeping the original file. By default running the following command

gzip file.txt

results in modifying this file and renaming it file.txt.gz. instead of this behavior I would like to have this new compressed file in addition to the existing one file.txt. For now I am using the following command to do that

gzip -c file.txt > file.txt.gz

It works but I am wondering why there is no easier solution to do such a common task ? Maybe I missed the option doing that ?

gzip files command-line

3 years ago by vishaljlf39

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**Kajalsi45d** · Answer 1 · 2021-10-06T12:33:08

From the documentation it seems that there is no option to create a copy of the file.

You can define a shell function

gzipkeep() {

    if [ -f "$1" ] ; then

        gzip -c -- "$1" > "$1.gz"

    fi

}

and then

gzipkeep file.txt

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How to tell gzip to keep original file?

1 Answer

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