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hellomynameisphil

Member

From: /home/phil/Vancouver

Registered: 2009-10-02

Posts: 257

Website

[SOLVED]Would be grateful for help with im notification shell script

Hi all,

Playing with finch (a console im client), and haven't found any notification plugins for it that work the way I want.

What I have been doing is using tail to watch the logs. As the logs are in html, I use sed to strip the html tags:

tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* | sed -e 's#<[^>]*>##g'

I would like to use notify-send or dzen2 to create popup windows when the log file changes, but I'm not sure how (I am not an experienced programmer).

This, for example, does not work:

tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* | sed -e 's#<[^>]*>##g' | while read line ; do notify-send "${line}" ; done

Removing sed from the stream above allows notify-send to pop up notifications. How can I have the same happen with sed in there?

Last edited by hellomynameisphil (2011-10-22 17:49:34)

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 20,308

Re: [SOLVED]Would be grateful for help with im notification shell script

I am not an expert, but what if you use 'tee' and pipe the output of tail through both sed and while...done in parallel ?

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rockin turtle

Member

From: Montana, USA

Registered: 2009-10-22

Posts: 227

Re: [SOLVED]Would be grateful for help with im notification shell script

Try this:

while read line
do
    notify-send "$(sed -e 's#<[^>]*>##g' <<< $line)"
done < <(tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* )

Last edited by rockin turtle (2011-04-12 02:25:10)

hellomynameisphil

Member

From: /home/phil/Vancouver

Registered: 2009-10-02

Posts: 257

Website

Re: [SOLVED]Would be grateful for help with im notification shell script

Try this:

while read line
do
    notify-send "$(sed -e 's#<[^>]*>##g' <<< $line)"
done < <(tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* )

That did it. Thanks!

Damnshock

Member

From: Barcelona

Registered: 2006-09-13

Posts: 414

Re: [SOLVED]Would be grateful for help with im notification shell script

tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* | sed -e 's#<[^>]*>##g' | while read line ; do notify-send "${line}" ; done

Removing sed from the stream above allows notify-send to pop up notifications. How can I have the same happen with sed in there?

The problem here is that sed is buffering its output to improve efficiency in pipes. Try with:

tail -n 1 -q -f ~/.purple/logs/bonjour/phinch/*/* | sed -e 's#<[^>]*>##g' -u  | while read line ; do notify-send "${line}" ; done

And should work as well

Regards

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hellomynameisphil

Member

From: /home/phil/Vancouver

Registered: 2009-10-02

Posts: 257

Website

Re: [SOLVED]Would be grateful for help with im notification shell script

Yes, damnshock, that works as well. Thank you.