[<atdev.queries@xxxxxxxxx>]

Hi All,

I tried the following command to load the packets.
$mergecap -w merge1_2.cap input1.cap input2.cap|wireshark -w chopped.cap -b filesize:200 -a files:4 -i 2 merge1_2.cap

But i havn't got any file as chopped.cap after the execution. It simply loaded merge1_2.cap.
Could any one explain me how to get the expected behaviour.

thanks and regards,
Atdev.

________________________________

From: wireshark-dev-bounces@xxxxxxxxxxxxx on behalf of Alex Lindberg
Sent: Sat 12/20/2008 6:32 AM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Query on loading packets using command lineoptions



I created a simple script for merging many files with the option of filtering using display filters.  Note the following script was intended for use on *inux systems.  Your mileage may very.

----------------- MergePackets.sh ----------------
#!/bin/sh

if [ "$2x" = "x" ];
        then
        echo "$0 <Path> <DisplayFilter> [<OutputFile>]"
        echo " "
        echo "The purpose of this script is to take all capture files in a directory"
        echo "and create a  single file that is filtered based on the input string."
        echo " "
        echo "This string could be an IP address, \"ip.addr == 1.1.1.1\""
        echo "or a port nunmber \"tcp.port == 1720\", etc."
        echo " "
        echo "The input must be in a display filter format."
        echo " "
        echo "If you are using a wildcard in the <Path>, please inclose with \" \" marks"
        echo " "
        echo "If OutputFile is not specified, the output will be to stdout"
        echo " "
        exit 1
fi

# Change below if Wireshark is not installed and you are using Ethereal
SHARK=tshark
#SHARK=tethereal

# Create file list
FILELIST=`ls $1`
TEMPDIR=/tmp/foobar
mkdir $TEMPDIR
i=1
for I in $FILELIST;
        do
        echo "$i $I $2"
        $SHARK -r $I -w $TEMPDIR/~$I-$i -R "$2" &>/dev/null
        i=`echo $i+1|bc`
        done

if [ "$3x" = "x" ];
        then
        # if here use stdout
        OUTFILE="-"
        else
        OUTFILE=$3
        fi

mergecap -w $OUTFILE $TEMPDIR/~*
rm -r $TEMPDIR

----------------------- End MergePackets.sh ---------------

Good Luck
Alex Lindberg




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