tldr/pages/common/cat.md

# cat

> Print and concatenate files.
> More information: <https://www.gnu.org/software/coreutils/cat>.

- Print the contents of a file to the standard output:

`cat {{file}}`

- Concatenate several files into the target file:

`cat {{file1}} {{file2}} > {{target_file}}`

- Append several files into the target file:

`cat {{file1}} {{file2}} >> {{target_file}}`

- Number all output lines:

`cat -n {{file}}`

- Display non-printable and whitespace characters (with `M-` prefix if non-ASCII):

`cat -v -t -e {{file}}`
Pages: cat 2014-05-10 15:23:41 +03:00			`# cat`

			`> Print and concatenate files.`
coreutils*: use short more info links (#5658) 2021-04-01 17:54:26 +02:00			`> More information: <https://www.gnu.org/software/coreutils/cat>.`
Pages: cat 2014-05-10 15:23:41 +03:00
Formatted all pages according to guidelines. 2016-01-07 18:31:27 +01:00			`- Print the contents of a file to the standard output:`
Pages: cat 2014-05-10 15:23:41 +03:00
cat: added the append example 2015-12-29 18:45:42 -08:00			`cat {{file}}`
Pages: cat 2014-05-10 15:23:41 +03:00
Formatted all pages according to guidelines. 2016-01-07 18:31:27 +01:00			`- Concatenate several files into the target file:`
Pages: cat 2014-05-10 15:23:41 +03:00
Applying the snake_case convention throughout the repo (#967) * Applying the snake_case convention throughout the repo - Also removing the file extension where not needed - Adding {{ }} on a few old pages * Addressing concerns - Added {{ }} where they were missed out - Removed spaces inside {{ }} - Reverting "file" to "filename" to make it clearer * Fixing the comments on nc page 2016-07-23 01:54:06 +05:30			`cat {{file1}} {{file2}} > {{target_file}}`
cat: added the append example 2015-12-29 18:45:42 -08:00
update cat command 2016-01-18 22:23:18 +08:00			`- Append several files into the target file:`
cat: added the append example 2015-12-29 18:45:42 -08:00
Applying the snake_case convention throughout the repo (#967) * Applying the snake_case convention throughout the repo - Also removing the file extension where not needed - Adding {{ }} on a few old pages * Addressing concerns - Added {{ }} where they were missed out - Removed spaces inside {{ }} - Reverting "file" to "filename" to make it clearer * Fixing the comments on nc page 2016-07-23 01:54:06 +05:30			`cat {{file1}} {{file2}} >> {{target_file}}`
update cat command 2016-01-18 22:23:18 +08:00
			`- Number all output lines:`

			`cat -n {{file}}`
cat: add -v example (#3163) 2019-07-03 03:52:13 +01:00
			- Display non-printable and whitespace characters (with `M-` prefix if non-ASCII):

			`cat -v -t -e {{file}}`