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PostScript
4-21
diskstatus
— diskstatus free logicalsize
returns on the stack the following two integers:
• Number of pages that are free on the optional disk. The value of the Free
device parameter from the %disk1% IODevice.
• Total number of pages (1024 bytes) that are on the optional disk. The value
of the LogicalSize device parameter from the %disk1% IODevice.
This operator is equivalent to executing the following PostScript emulation
sequence:
(%disk1%) currentdevparams dup /Free get exch /LogicalSize get
Error: stackoverflow
displayoperatormsg
(string) displayoperatormsg
sets a custom paper message. The string parameter is used as a prompt string
when a page prints. The
string value can be any string up to 16 characters. The
string is cleared at the end of a print job.
Errors: stackunderflow, typecheck
doidlefonts
— doidlefonts false
returns a constant boolean value of false.
Error: stackoverflow