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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 the standard output:

cat {{file}}

  • Concatenate several files into the target file:

cat {{file1}} {{file2}} > {{target_file}}

  • Append several files into the target file:

cat {{file1}} {{file2}} >> {{target_file}}

  • Number all output lines:

cat -n {{file}}

  • Display non-printable and whitespace characters (with M- prefix if non-ASCII):

cat -v -t -e {{file}}