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49 lines
1.8 KiB
49 lines
1.8 KiB
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Q: What is a callback (command) ?
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A: A callback is a command or set of commands that is called by KVIrc in
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response to an event. It is similar to an event handler; the difference
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is that the event handler is usually static, the callback is "created"
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at runtime instead.
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Consider the command exec (see /help exec); its syntax is as follows:
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exec(<commandline>[,<magicparams>])
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{
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<callback>
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}
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The <callback> is a list of commands that will be called by KVIrc when
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the <commandline> has been executed and the slave process has printed
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some data on its stdout.
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-------------------------------------------------------------------------------
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Q: How can i print on a window the result of an external command like nmap
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or uname ?
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A: Starting from version 3.0.0 KVIrc supports (again) the /exec command.
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The commandline you're looking for might be something similar to:
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exec("uname -a"){ echo $1; };
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If you want to say the result to a channel you may use say instead of echo
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exec("uname -a"){ say $1; };
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For nmap you might consider using the -e switch too in order to see
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the errors printed on stderr.
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exec -e ("nmap -sS -p 1-1024 somehost"){ say $1; }
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Exec is a really flexible command, it can process the slave output in blocks
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or as a whole and can write data to the slave too. See /help exec for
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more details.
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-------------------------------------------------------------------------------
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Q: KVIrc crashes when I use a commandline like the following:
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alias(identify){ identify password; }
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A: This is infinite recursion: a programming error.
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Take a look at http://en.wikipedia.org/wiki/Infinite_loop , learn
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that once for all and fix your script.
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