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Command-line podcatcher

  • 24-05-2007 10:12am
    #1
    blubloblu
    Registered Users, Registered Users 2 Posts: 1,226 ✭✭✭


    I'm a fairly new Linux user and I'm want to write a shell script to look for the most recent video in a RSS feed, then download it using wget. How do I get the script to look for the most recent episode of a vidcast?


Comments

  • #2
    PhantomBeaker
    Registered Users, Registered Users 2 Posts: 304 ✭✭PhantomBeaker


    While you could probably do this in a shell script, employing lots of awk/sed/grep commands and the like, you're probably better off with a script for a scripting language like perl or python.

    Given that RSS is in xml, you're going to need some languages that have libraries to parse xml - so that makes for perl, python and ruby. I know for a fact that it's included in a default python installation, and I think it might be in ruby by default as well. And perl, I really don't know, but chances are most likely.

    I don't know if you've programmed before, but if you have, a good intro to python (and touches on xml parsing) for programmers is: www.diveintopython.org - I'm not sure about the others (I learnt perl from an O'Reilly book, and still haven't learnt Ruby).

    For non-programmer's intros, just go with the standard beginning docs on each site.

    Doing it in these languages will save you a lot of headachesk, and is still pretty much considered scripting in the unix world (perl scripts definitely are, while python and ruby are still gaining acceptance).

    Hope that helps.
    Aoife


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