mirror of https://github.com/CrimsonTome/tldr.git
33 lines
750 B
Markdown
33 lines
750 B
Markdown
# 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 in [u]nbuffered mode:
|
|
|
|
`cat -u {{/dev/tty12}} > {{/dev/tty13}}`
|
|
|
|
- Write `stdin` to a file:
|
|
|
|
`cat - > {{path/to/file}}`
|
|
|
|
- [n]umber all output lines:
|
|
|
|
`cat -n {{path/to/file}}`
|
|
|
|
- Display non-printable and whitespace characters (with `M-` prefix if non-ASCII):
|
|
|
|
`cat -v -t -e {{path/to/file}}`
|