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Created
Mon, Dec 2, 22:44
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2 KB
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text/html
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Wed, Dec 4, 22:44 (1 d, 23 h)
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rLAMMPS lammps
shell.html
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<HTML>
<CENTER><A
HREF =
"http://lammps.sandia.gov"
>
LAMMPS WWW Site
</A>
-
<A
HREF =
"Manual.html"
>
LAMMPS Documentation
</A>
-
<A
HREF =
"Section_commands.html#comm"
>
LAMMPS Commands
</A>
</CENTER>
<HR>
<H3>
shell command
</H3>
<P><B>
Syntax:
</B>
</P>
<PRE>
shell style args
</PRE>
<UL><LI>
style =
<I>
cd
</I>
or
<I>
mkdir
</I>
or
<I>
mv
</I>
or
<I>
rm
</I>
or
<I>
rmdir
</I>
<PRE>
<I>
cd
</I>
arg = dir
dir = directory to change to
<I>
mkdir
</I>
args = dir1 dir2 ...
dir1,dir2 = one or more directories to create
<I>
mv
</I>
args = old new
old = old filename
new = new filename
<I>
rm
</I>
args = file1 file2 ...
file1,file2 = one or more filenames to delete
<I>
rmdir
</I>
args = dir1 dir2 ...
dir1,dir2 = one or more directories to delete
</PRE>
</UL>
<P><B>
Examples:
</B>
</P>
<PRE>
shell cd sub1
shell cd ..
shell mkdir tmp1 tmp2 tmp3
shell rmdir tmp1
shell mv log.lammps hold/log.1
shell rm TMP/file1 TMP/file2
</PRE>
<P><B>
Description:
</B>
</P>
<P>
Execute a shell command. Only a few simple file-based shell commands
are supported, in Unix-style syntax. With the exception of
<I>
cd
</I>
, all
commands are executed by only a single processor, so that
files/directories are not being manipulated by multiple processors.
</P>
<P>
The
<I>
cd
</I>
style executes the Unix "cd" command to change the working
directory. All subsequent LAMMPS commands that read/write files will
use the new directory. All processors execute this command.
</P>
<P>
The
<I>
mkdir
</I>
style executes the Unix "mkdir" command to create
one or more directories.
</P>
<P>
The
<I>
mv
</I>
style executes the Unix "mv" command to rename a file and/or
move it to a new directory.
</P>
<P>
The
<I>
rm
</I>
style executes the Unix "rm" command to remove one or more
files.
</P>
<P>
The
<I>
rmdir
</I>
style executes the Unix "rmdir" command to remove one or
more directories. A directory must be empty to be successfully
removed.
</P>
<P><B>
Restrictions:
</B>
</P>
<P>
LAMMPS does not detect errors or print warnings when any of these Unix
commands execute. E.g. if the specified directory does not exist,
executing the
<I>
cd
</I>
command will silently not do anything.
</P>
<P><B>
Related commands:
</B>
none
</P>
<P><B>
Default:
</B>
none
</P>
</HTML>
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