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Subject: Re: [9front] graphics tools
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> % cat /mnt/acme/log | awk '{ if($2 == "put") system("command goes here") }

Nice. (Although, what did that cat ever do to you?)
I would probable do it in rc:
</mnt/acme/log while(line = `{read}) if(~ $line(2) put) { … }

I probably mentioned already but the sam version is:

!fn w{echo w; command}

Then ^w writes and runs command.

umbraticus