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<H1><A NAME="SECTION040230000000000000000"></A>
<A NAME="commands_save"></A><A NAME="save"></A><A NAME="3717"></A>
<A NAME="save_set"></A>
<BR>
Save
</H1>
The <B>save</B> command saves user-defined functions, variables, the <B>set
term</B> status, all <B>set</B> options, or all of these, plus the last <B>plot</B>
(<B>splot</B>) command to the specified file.
<P>
Syntax:
<BR>
<PRE>
save {<option>} '<filename>'
</PRE>
<BR>
<P>
where 4#4option5#5 is <B>functions</B>, <B>variables</B>, <B>terminal</B> or <B>set</B>. If
no option is used, <B>gnuplot</B> saves functions, variables, <B>set</B>
options and the last <B>plot</B> (<B>splot</B>) command.
<P>
<B>save</B>d files are written in text format and may be read by the
<B>load</B> command. For <B>save</B> with the <B>set</B> option or without any
option, the <B>terminal</B> choice and the <B>output</B> filename are written
out as a comment, to get an output file that works in other
installations of gnuplot, without changes and without risk of
unwillingly overwriting files.
<P>
<B>save terminal</B> will write out just the <B>terminal</B> status, without
the comment marker in front of it. This is mainly useful for
switching the <B>terminal</B> setting for a short while, and getting back
to the previously set terminal, afterwards, by loading the saved
<B>terminal</B> status. Note that for a single gnuplot session you may
rather use the other method of saving and restoring current terminal
by the commands <B>set term push</B> and <B>set term pop</B>, see <B>set term (p. <A HREF="node272.html#set_term"><IMG ALIGN="BOTTOM" BORDER="1" ALT="[*]" SRC="crossref.png"></A>)<A NAME="3747"></A></B>.
<P>
The filename must be enclosed in quotes.
<P>
The special filename <TT>"</TT>-<TT>"</TT> may be used to <B>save</B> commands to standard output.
On systems which support a popen function (Unix), the output of save can be
piped through an external program by starting the file name with a '3#3'.
This provides a consistent interface to <B>gnuplot</B>'s internal settings to
programs which communicate with <B>gnuplot</B> through a pipe. Please see
help for <B>batch/interactive (p. <A HREF="node15.html#batch_interactive"><IMG ALIGN="BOTTOM" BORDER="1" ALT="[*]" SRC="crossref.png"></A>)<A NAME="3754"></A></B> for more details.
<P>
Examples:
<BR>
<PRE>
save 'work.gnu'
save functions 'func.dat'
save var 'var.dat'
save set 'options.dat'
save term 'myterm.gnu'
save '-'
save '|grep title >t.gp'
</PRE>
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2010-08-17
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