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os.system("'C:\Program Files\Wireshark\tshark.exe' -r B2.pcap -T fields -e frame.number -e frame.time -e ip.src -e tcp.srcport -e ip.dst -e tcp.dstport -e ip.proto -e ip.flags.syn -e ip.flags.nf -e ip.flags.df -e frame.len -E header=y -E separator=, > traffic.csv")

I'm trying to run the above command in python but its reading the \t in the \tshark.exe part as a tab character. How do I solve this?

Sushrut Naik
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3 Answers3

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Raw strings start with the r symbol: r"string with \t \n"

ev-br
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try

os.system("'C:\Program Files\Wireshark\\tshark.exe' -r B2.pcap -T fields -e frame.number -e frame.time -e ip.src -e tcp.srcport -e ip.dst -e tcp.dstport -e ip.proto -e ip.flags.syn -e ip.flags.nf -e ip.flags.df -e frame.len -E header=y -E separator=, > traffic.csv")

Backslashes are used to "escape" characters and if you want to print out a backslash, you have to escape it with another backslash

deadshot
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aidan0626
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Probably because this one is wrapped in string?

"'C:\Program Files\Wireshark\tshark.exe'..."

try using raw string.

deadshot
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Minh-Long Luu
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  • It would be more helpful to show how to use raw string - like this: r”somestring” – Stefan Aug 05 '20 at 04:59
  • Tried this. Same error. The filename, directory name, or volume label syntax is incorrect. This is the error – Sushrut Naik Aug 05 '20 at 05:07
  • I found a similar answer, try this maybe? https://stackoverflow.com/questions/16177104/how-do-i-used-2-quotes-in-os-system-python/16177142#16177142 – Minh-Long Luu Aug 05 '20 at 05:09