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I often find myself copy-pasting long path in order to create a copy of a file

cp /path/to/file/file1 /path/to/file/file1.bkp

Is there an alternative utility that will NOT require me to type the path/to/file twice? Something like -

nameOfExecutible /path/to/file/file1 'bkp'

Note: I don't want to do a cd to file1s parent directory.

marked as duplicate by jasonwryan, daisy, manatwork, Tshepang, rahmu Mar 5 '13 at 12:39

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cp /path/to/file/file1{,.kbp}

That will get expanded automatically to cp /path/to/file/file1 /path/to/file/file1.kbp

  • Thanks. That saves so much time! Is there a terminology for those brackets? – user13107 Mar 5 '13 at 3:10
  • 6
    The bash shell is expanding the expression in the curly braces prior to exec'ing cp. You can find it covered in the bash manual, or google for "bash brace expansion" – Tim B Mar 5 '13 at 3:21

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