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3.9 history

‘history‘ command lists or saves previous entries in the history of the command line editing, or executes an entry.

Here you find ’usage by examples’:

      history               # show the complete history
      history 5             # show last 5 entries in the history
      history quiet 5       # show last 5 entries without entry numbers
      history "hist.gp"     # write the complete history to file hist.gp
      history "hist.gp" append # append the complete history to file hist.gp
      history 10 "hist.gp"  # write last 10 commands to file hist.gp
      history 10 "|head -5 >>diary.gp" # write 5 history commands using pipe
      history ?load         # show all history entries starting with "load"
      history ?"set c"      # like above, several words enclosed in quotes
      hi !reread            # execute last entry starting with "reread"
      hist !"set xr"        # like above, several words enclosed in quotes
      hi !hi                # guess yourself :-))

On systems which support a popen function (Unix), the output of history can be piped through an external program by starting the file name with a ’|’, as one of the above examples demonstrates.


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