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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="PetscOptionsInsertFile"><H1>PetscOptionsInsertFile</H1></A>
Inserts options into the database from a file.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscOptionsInsertFile(MPI_Comm comm,PetscOptions options,const char file[],PetscBool require)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the processes that will share the options (usually <A HREF="../Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD">PETSC_COMM_WORLD</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>options </B></TD><TD>- options database, use NULL for default global database
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>file </B></TD><TD>- name of file
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>require </B></TD><TD>- if <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> will generate an error if the file does not exist
</TD></TR></TABLE>
<P>
<P>
Notes: Use # for lines that are comments and which should be ignored.
<P>
Usually, instead of using this command, one should list the file name in the call to <A HREF="../Sys/PetscInitialize.html#PetscInitialize">PetscInitialize</A>(), this insures that certain options
such as -log_summary or -malloc_debug are processed properly. This routine only sets options into the options database that will be processed by later
calls to XXXSetFromOptions() it should not be used for options listed under <A HREF="../Sys/PetscInitialize.html#PetscInitialize">PetscInitialize</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscOptionsSetValue.html#PetscOptionsSetValue">PetscOptionsSetValue</A>(), <A HREF="../Sys/PetscOptionsView.html#PetscOptionsView">PetscOptionsView</A>(), <A HREF="../Sys/PetscOptionsHasName.html#PetscOptionsHasName">PetscOptionsHasName</A>(), <A HREF="../Sys/PetscOptionsGetInt.html#PetscOptionsGetInt">PetscOptionsGetInt</A>(),
<BR><A HREF="../Sys/PetscOptionsGetReal.html#PetscOptionsGetReal">PetscOptionsGetReal</A>(), <A HREF="../Sys/PetscOptionsGetString.html#PetscOptionsGetString">PetscOptionsGetString</A>(), <A HREF="../Sys/PetscOptionsGetIntArray.html#PetscOptionsGetIntArray">PetscOptionsGetIntArray</A>(), <A HREF="../Sys/PetscOptionsBool.html#PetscOptionsBool">PetscOptionsBool</A>(),
<A HREF="../Sys/PetscOptionsName.html#PetscOptionsName">PetscOptionsName</A>(), <A HREF="../Sys/PetscOptionsBegin.html#PetscOptionsBegin">PetscOptionsBegin</A>(), <A HREF="../Sys/PetscOptionsEnd.html#PetscOptionsEnd">PetscOptionsEnd</A>(), <A HREF="../Sys/PetscOptionsHead.html#PetscOptionsHead">PetscOptionsHead</A>(),
<A HREF="../Sys/PetscOptionsStringArray.html#PetscOptionsStringArray">PetscOptionsStringArray</A>(),<A HREF="../Sys/PetscOptionsRealArray.html#PetscOptionsRealArray">PetscOptionsRealArray</A>(), <A HREF="../Sys/PetscOptionsScalar.html#PetscOptionsScalar">PetscOptionsScalar</A>(),
<A HREF="../Sys/PetscOptionsBoolGroupBegin.html#PetscOptionsBoolGroupBegin">PetscOptionsBoolGroupBegin</A>(), <A HREF="../Sys/PetscOptionsBoolGroup.html#PetscOptionsBoolGroup">PetscOptionsBoolGroup</A>(), <A HREF="../Sys/PetscOptionsBoolGroupEnd.html#PetscOptionsBoolGroupEnd">PetscOptionsBoolGroupEnd</A>(),
<A HREF="../Sys/PetscOptionsFList.html#PetscOptionsFList">PetscOptionsFList</A>(), <A HREF="../Sys/PetscOptionsEList.html#PetscOptionsEList">PetscOptionsEList</A>()
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/objects/options.c.html#PetscOptionsInsertFile">src/sys/objects/options.c</A>
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