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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Sys/PetscFileMode.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscFileMode"><H1>PetscFileMode</H1></A>
Access mode for a file.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} <A HREF="../Sys/PetscFileMode.html#PetscFileMode">PetscFileMode</A>;
</PRE>
<P>
<pre>
FILE_MODE_READ - open a file at its beginning for reading
</pre>
<pre>
FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist)
</pre>
<pre>
FILE_MODE_APPEND - open a file at end for writing
</pre>
<pre>
FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing
</pre>
<pre>
FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end
</pre>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Viewer/PetscViewerFileSetMode.html#PetscViewerFileSetMode">PetscViewerFileSetMode</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../include/petscsys.h.html#PetscFileMode">include/petscsys.h</A>
<BR><A HREF="./index.html">Index of all Sys routines</A>
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