User Guide

File Input / Output and Printing
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• Use the mergecap tool, which is a command line tool to merge capture files. This tool provides the most
options to merge capture files, see Section D.8, “mergecap: Merging multiple capture files into one ”.
5.4.1. The "Merge with Capture File" dialog box
This dialog box let you select a file to be merged into the currently loaded file.
You will be prompted for an unsaved file first!
If your current data wasn't saved before, you will be asked to save it first, before this dialog
box is shown.
Most controls of this dialog will work the same way as described in the "Open Capture File" dialog box,
see Section 5.2.1, “The "Open Capture File" dialog box”.
Specific controls of this merge dialog are:
Prepend packets to existing file Prepend the packets from the selected file before the currently
loaded packets.
Merge packets chronologically Merge both the packets from the selected and currently loaded file
in chronological order.
Append packets to existing file Append the packets from the selected file after the currently loaded
packets.
Table 5.3. The system specific "Merge Capture File As" dialog box
Figure 5.7. "Merge" on native Windows
Microsoft Windows
This is the common Windows file open dialog - plus
some Wireshark extensions.
Figure 5.8. "Merge" - new GTK version
Unix/Linux: GTK version >= 2.4
This is the common Gimp/GNOME file open dialog
- plus some Wireshark extensions.