mirror of
https://github.com/ivuorinen/cheatsheet-tldr.git
synced 2026-02-02 03:42:48 +00:00
38 lines
843 B
Plaintext
38 lines
843 B
Plaintext
---
|
|
syntax: markdown
|
|
tags: [tldr, osx]
|
|
source: https://github.com/tldr-pages/tldr.git
|
|
---
|
|
# cat
|
|
|
|
> Print and concatenate files.
|
|
> More information: <https://keith.github.io/xcode-man-pages/cat.1.html>.
|
|
|
|
- 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}}`
|
|
|
|
- Number 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}}`
|