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(gnuplot.info)output

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Enter node , (file) or (file)node

 By default, screens are displayed to the standard output. The `set output`
 command redirects the display to the specified file or device.

 Syntax:
       set output {"<filename>"}
       show output

 The filename must be enclosed in quotes.  If the filename is omitted, any
 output file opened by a previous invocation of `set output` will be closed
 and new output will be sent to STDOUT.  (If you give the command `set output
 "STDOUT"`, your output may be sent to a file named "STDOUT"!  ["May be", not
 "will be", because some terminals, like `x11` (Note: x11 ), ignore set
 output.])

 MSDOS users should note that the \ character has special significance in
 double-quoted strings, so single-quotes should be used for filenames in
 different directories.

 When both `set terminal` (Note: terminal ) and set output are used together,
 it is safest to give `set terminal` first, because some terminals set a flag
 which is needed in some operating systems.  This would be the case, for
 example, if the operating system needs to know whether or not a file is to be
 formatted in order to open it properly.

 On machines with popen functions (Unix), output can be piped through a shell
 command if the first non-whitespace character of the filename is '|'.
 For instance,

       set output "|lpr -Plaser filename"
       set output "|lp -dlaser filename"

 On MSDOS machines, `set output "PRN"` will direct the output to the default
 printer.  On VMS, output can be sent directly to any spooled device.  It is
 also possible to send the output to DECnet transparent tasks, which allows
 some flexibility.