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Gforth Manual

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2.3 Command-line editing

Gforth maintains a history file that records every line that you type to the text interpreter. This file is preserved between sessions, and is used to provide a command-line recall facility; if you type Ctrl-P repeatedly you can recall successively older commands from this (or previous) session(s). The full list of command-line editing facilities is:

When editing, displayable characters are inserted to the left of the cursor position; the line is always in "insert" (as opposed to "overstrike") mode.

On Unix systems, the history file is `~/.gforth-history' by default(2). You can find out the name and location of your history file using:

 
history-file type \ Unix-class systems

history-file type \ Other systems
history-dir  type

If you enter long definitions by hand, you can use a text editor to paste them out of the history file into a Forth source file for reuse at a later time.

Gforth never trims the size of the history file, so you should do this periodically, if necessary.


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