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tldr/pages/common/cat.md
Lena d427f333b2
pages/*: add backticks around I/O streams (#10436)
* as suggested in #10428
* standard input  => `stdin`
* standard output => `stdout`
* standard error  => `stderr`

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2023-08-09 10:59:02 +05:30

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# cat
> Print and concatenate files.
> More information: <https://www.gnu.org/software/coreutils/cat>.
- Print the contents of a file to `stdout`:
`cat {{path/to/file}}`
- Concatenate several files into an output file:
`cat {{path/to/file1 path/to/file2 ...}} > {{path/to/output_file}}`
- Append several files to an output file:
`cat {{path/to/file1 path/to/file2 ...}} >> {{path/to/output_file}}`
- Copy the contents of a file into an output file without buffering:
`cat -u {{/dev/tty12}} > {{/dev/tty13}}`
- Write `stdin` to a file:
`cat - > {{path/to/file}}`