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- This is a new version of the History command, for use with 2.04, 3.0, and
- 3.1.
-
- andy finkel
- -------------
-
-
-
- History
-
- Template: LINES/N,START/K/N,LOAD/K,SAVE/K,SIZE/K/N,RUN/S,CLEAR/S,SHOW/S,NONUM/S
-
-
- The HISTORY command is used to control the 2.04 console handler history
- features. This command allows you to review, load, save, clear, and change
- the size of the history buffer. In addition, the command allows you to
- re-execute portions of the history buffer without using the cursor keys.
-
- The history command can be used to display the current history buffer just
- by using the command
-
- history
-
- To see the last N entries in the history buffer, you also the number, eg
- history 10 will show you the last 10 entries. (You can also say history
- LINES 10).
-
- To see N entries in the history buffer, starting with entry X, you would
- specify both numbers, eg
-
- history 8 start 20
-
- which will display 20 history lines starting with history entry # 8. (you
- can also say HISTORY LINES 8 START 20)
-
- On the left margin of the history listing is the command histry number. To
- supress those numbers, use the NONUM keyword. (this is often useful when
- redirecting the output of the history cmmand into a file or a pipe.
-
- The LOAD keyword allows you to preload the history buffer, up to the limits
- of the current size of the history buffer.
-
- SAVE saves the current history buffer to a file. NOTE: partial saves are
- possible, following the same rules as partial listings of the history
- buffer.
-
- The CLEAR keyword erases the contents of the history buffer. It may be
- used by itself, or with one of the other keywords.
-
- The SIZE keyword allows you to change the size of the history buffer of the
- current console-handler. You can change the size in 1K increments. The
- initial history buffer size is 2K.
-
- The RUN keyword allows you to run one or more commands in the history
- buffer.
-
- history run 5
-
- will run the last 5 commands.
-
- history run 3 start 5
-
- will run 3 commands, starting with the 5th entry in the history buffer.
-
- a useful alias is
-
- alias ! history lines 1 run start
-
- which kind of gives that Unix csh effect.
-
- When the RUN option is specified, if no START is specified, START defaults
- to the last command. If no LINES is specified, LINES defaults to one.
-
- The SHOW option is there as a default; it can be combined with other
- options, however.
-