filtering file types vs. extensions

mikea mikea at MIKEA.ATH.CX
Fri Jun 6 19:29:22 IST 2003

On Fri, Jun 06, 2003 at 07:16:07PM +0100, Julian Field wrote:
> Not a good start.
> The latest File::MMagic module does not understand Linux /usr/share/magic
> files. It complains a lot about them, which makes it useless.
> So I will have to use the "file" command, with a timeout and all that c**p
> to stop DoS attacks on the file command.
> Does everyone's "file" command output the filename followed by a ":"
> followed by 1 or more spaces followed by the file type?
> It's going to rain all weekend here (surprise, surprise) so I may attack
> this feature soon.

: (FreeBSD) $file *
: [some deletions]
: /etc/             Bourne shell script text executable
: /etc/remote:                ASCII English text
: /etc/resolv.conf:           ASCII text
: /etc/rmt:                   symbolic link to /usr/sbin/rmt
: /etc/            ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD), dynamically linked (uses shared libs), stripped
: /etc/security:              Bourne shell script text executable
: /etc/skel:                  directory
: /etc/skeykeys:              can't read `/etc/skeykeys' (Permission denied).
: /etc/       empty

I'll trade your rain for our nasty thunderstorms and tornadoes.

Mike Andrews
mikea at
Tired old sysadmin since 1964

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