Programmer Humor

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Touch a file in Linux (programming.dev)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 19 points 8 months ago (2 children)

I sometimes use cat to concatenate files. For example, add a header to a csv file without manually copy and paste it. It’s rare, but at least more frequent than using touch.

[–] [email protected] 19 points 8 months ago

$ cat file1 > output_file
$ cat file2 >> output_file
$ cat file3 >> output_file

I'm sorry!

[–] [email protected] 4 points 8 months ago* (last edited 8 months ago)

That's its intended purpose - combining files together (the opposite of split). See the first line of the man page: https://man7.org/linux/man-pages/man1/cat.1.html