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Annotation of 3BSD/cmd/apl/documents/apl.2, revision 1.1

1.1     ! root        1: APL System commands.
        !             2: 
        !             3: There are a whole bunch of them.  Most are pretty familiar.
        !             4: 
        !             5: )DIGITS n
        !             6:        sets the number of digits displayed to n, from 1 to 19.
        !             7: 
        !             8: )FUZZ n
        !             9:        sets the fuzz to n.
        !            10: 
        !            11: )ORIGIN n
        !            12:        sets the origin to n, which can be any integer, not just 1 or 0
        !            13: 
        !            14: )WIDTH n
        !            15:        sets APL's idea of your terminal's carriage width.
        !            16: 
        !            17: )ERASE n
        !            18:        gets rid of function or variable named n.
        !            19: 
        !            20: )SAVE n
        !            21:        saves all variables and functions in file named n.
        !            22:        The format used is peculiar to APL workspaces and can only
        !            23:        be read back in by APL.
        !            24: 
        !            25: )LOAD n
        !            26:        gets the stuff in file n (which must have been saved) back.
        !            27: 
        !            28: )COPY n
        !            29:        like )LOAD but variables and functions are not erased.  Things
        !            30:        in the loaded file take precedence over stuff already in.
        !            31: 
        !            32: )CLEAR
        !            33:        discards everything.
        !            34: 
        !            35: )DROP n
        !            36:        deletes file n, which need not be saved from APL.
        !            37: 
        !            38: )CONTINUE
        !            39:        does what you'd expect.
        !            40: 
        !            41: )OFF
        !            42:        exits, as does ctrl/d.
        !            43: 
        !            44: )READ n
        !            45:        reads in a function from file n.  The first line is the header,
        !            46:        with no del's.  The full APL\360 header is accepted.  All other
        !            47:        lines in the file are lines in the function.  Lines are impli-
        !            48:        citly numbered, and transfers are as usual.There are no labels.
        !            49: 
        !            50: )EDIT n
        !            51:        runs the UNIX editor on file n, and then READ's it when
        !            52:        you leave the editor.
        !            53: 
        !            54: )LIB
        !            55:        lists out all of the files in the current directory.
        !            56: 
        !            57: )FNS
        !            58:        lists out all current functions.
        !            59: 
        !            60: )VARS
        !            61:        lists out all current variables.
        !            62: 
        !            63: )DEBUG
        !            64:        toggles a debugging switch, which can produce vast amounts
        !            65:        of hopelessly cryptic output.
        !            66: 
        !            67: If you find bugs, have comments, or anything else having to do
        !            68: with APL, please mail them to user "apl".

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