[ILUG] Sed/tex processing Question

[rory.winston at gmail.com]

Thanks guys - deleting the delimiters was the right way to go - thanks for  
helping me see the wood thru the trees!

Cheers
Rory

On Mar 11, 2009 12:05am, Pádraig Brady <P at draigbrady.com> wrote:
> rory.winston at gmail.com wrote:

> > Hi All

> >

> > I have a sed question: currently I am using sed to preprocess some

> > garbage collection log files produced by Java.

> > There are 10 pieces on information on every line that I would like to

> > extract. I have just knocked up a large and ugly sed command to do this:

> >

> > # Typical line

> > # 7.181: [GC 7.181: [ParNew: 6193K->101K(6528K), 0.0031050 secs]

> > 8470K->2692K(64832K), 0.0031680 secs]

> >

> > $ sed -n "/GC/{s/^\([0-9]\+\.[0-9]\+\): \[GC \([0-9]\+\.[0-9]\+\):  
> \[ParNew

> > : \([0-9]\+\)K->\([0-9]\+\)K(\([0-9]\+\)K), \([0-9]\+\.[0-9]\+\) secs\]

> > \([0-9]\+\)K->\([0-9]\+\)K(

> > \([0-9]\+\)K), \([0-9]\+\.[0-9]\+\)

> > secs\]/\1,\2,\3,\4,\5,\6,\7,\8,\9/gp}" logfile

> >

> > This has a fatal flaw, in that I have exhausted the maximum number of

> > backreferences available. Does anyone know a better way to do this?



> How about transforming the delimiters?



> sed -n '/GC/s/[^0-9.]\+/ /gp'



> cheers,

> Pádraig.