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Bash touch

Bash command: touch

Creates empty file if filename does not exist or modifies timestamps of existing files to current time.

This command can create multiple empty files in one line of code.

Usage

touch [options] filename

Commonly used options:

  • -t change timestamp to specific date ((YYYYMMDDHHMM.SS)) instead of current time.
  • -r use timestamp from first file to second file.
  • -a In case you want to only change the access time, use the -a command line option.
  • -m Similarly, if the requirement is to only change the modification time, use the -m command line option.
  • -h Is useful if you only want to change the symbolic link, instead of the referenced file.

Examples

touch -t YYYYMMDDHHMM.SS filename

touch -r file1 file2

touch -am file3

Additional Resources