tldr/pages/common/cat.md

590 B

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 {{path/to/file}}

  • Concatenate several files into an output file:

cat {{path/to/file1}} {{path/to/file2}} > {{path/to/output_file}}

  • Append several files into an output file:

cat {{path/to/file1}} {{path/to/file2}} >> {{path/to/output_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}}