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<H2><A NAME="SECTION00051000000000000000">
Return codes</A>
</H2>
Return codes are very useful, especially in system scripts. You may
check the return code from <I>clamscan</I>, by running the following
command directly after the scanner exits:
<PRE>
$ echo $?
</PRE>
Here is a list of return codes from <I>clamscan</I>:
<BR>
<P>
<B>0: </B> No virus was found.
<BR> <B>1: </B> Virus(es) detected.
<BR> <B>40: </B> Unknown option was passed to <I>clamscan</I>. Please check
<I>clamscan -help</I> or manual page for available options.
<BR> <B>50: </B> Problem with initialization of virus database. Probably
it doesn't exist in the default place or wrong file was passed
to <I>-database</I>.
<BR> <B>51: </B> Wrong number of threads was passed to <I>-threads</I>. It
must be a natural number <IMG
WIDTH="33" HEIGHT="34" ALIGN="MIDDLE" BORDER="0"
SRC="img3.png"
ALT="$ \ge 0$">.
<BR> <B>52: </B> Not supported file type. Scanner supports regular files,
directories and symlinks.
<BR> <B>53: </B> Can't open directory.
<BR> <B>54: </B> Can't open file.<IMG
WIDTH="13" HEIGHT="21" ALIGN="BOTTOM" BORDER="0"
SRC="img4.png"
ALT="$^5$">
<BR> <B>55: </B> Error reading file. Probably the medium you are reading is broken.
<A NAME="tex2html15"
HREF="footnode.html#foot514"><SUP>5</SUP></A>
<BR> <B>56: </B> Can't stat input file or directory. File / directory you want to
scan doesn't exist.
<BR> <B>57: </B> Can't get absolute pathname of current working directory. Your
current pathname is longer then 200 characters. When clamscan
is started without a input file / directory it scans the current
directory. For some reasons it needs absolute pathnames, the buffer
is hardcoded to 200 characters and that should be sufficient.
<BR> <B>58: </B> I/O error. Please check the filesystem.
<BR> <B>59: </B> Can't get information about current user (running clamscan).
<BR> <B>60: </B> Can't get information about user <I>clamav</I>. User <I>clamav</I>
(default unprivileged user) doesn't exist in /etc/passwd.
<BR> <B>61: </B> Can't fork. Can't create new process, please check your limits.
<BR> <B>63: </B> Can't create temporary file or directory. Please check permissions.
<BR> <B>64: </B> Can't write to temporary directory. Please specify another one.
<BR> <B>70: </B> Can't allocate and clear memory. This is a critical error, please
check your system.
<BR> <B>71: </B> Can't allocate memory. Look above.
<BR>
<P>
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<ADDRESS>
Tomasz Kojm
2002-11-21
</ADDRESS>
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