Laurent_R: ...From looking at your directory paths, you're working on Windows. The ls command is a Unix system command, it will not work under Windows. You should use Perl internal commands rather than system calls whenever possible. Try this: ...

FWIW, even unix system commands can be available for windows , ls.exe , tar.exe ... not uncommon with perl programmers

In reply to Re^2: Scanning multiple files from Snort rules one by one and extracting a particular part to another file - File Handling by Anonymous Monk
in thread Scanning multiple files from Snort rules one by one and extracting a particular part to another file - File Handling by edison.pioneer

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