tshark:tldr:04469
The command "tshark -r ${filename-pcap}" runs the tshark tool with the specified pcap file. Here is an explanation of each component of the command:
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"tshark" is a command-line packet analyzer tool that is part of the Wireshark network protocol analyzer suite. It allows you to capture, inspect, and analyze network traffic.
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"-r" is an option used to specify the input capture file. In this command, "${filename-pcap}" is a placeholder for the actual filename of the pcap file. You would replace "${filename-pcap}" with the actual name or path of the pcap file you want to analyze.
When you run this command, tshark will read the specified pcap file and display the captured network packets, typically in human-readable form or in a specific output format specified with additional options.