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32 lines
761 B
Markdown
32 lines
761 B
Markdown
# cat
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> Print and concatenate files.
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> More information: <https://www.gnu.org/software/coreutils/cat>.
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- Print the contents of a file to the standard output:
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`cat {{path/to/file}}`
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- Concatenate several files into an output file:
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`cat {{path/to/file1 path/to/file2 ...}} > {{path/to/output_file}}`
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- Append several files to an output file:
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`cat {{path/to/file1 path/to/file2 ...}} >> {{path/to/output_file}}`
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- Copy the contents of a file into an output file in [u]nbuffered mode:
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`cat -u {{/dev/tty12}} > {{/dev/tty13}}`
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- Write `stdin` to a file:
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`cat - > {{path/to/file}}`
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- [n]umber all output lines:
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`cat -n {{path/to/file}}`
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- Display non-printable and whitespace characters (with `M-` prefix if non-ASCII):
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`cat -v -t -e {{path/to/file}}`
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