l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2010 Jun 30 15:24

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] Regular expression help
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] Regular expression help

If none of the filenames contain spaces(!), you can write a regexp to
match the end of the line using the $ anchor, e.g.

perl -p -e '/([^ ]+)$/; print "rm -f $1\n";' < files-to-delete.txt


On Wed, Jun 30, 2010 at 3:01 PM, David Spencer, Internet Handyman
<spencer@pageweavers.com> wrote:
> Guys, I'm sorry about asking this on the list; but I seem to have a mental
> block when it comes to regular expressions. Here's what I'm trying to do:
> I have a lot of directories with a vast number of files, some of which I wish
> to delete based on the month they were created. I've built a file from some
> full directory listings that has all the files I wish to delete. (Just go with
> me on this and don't suggest alternative methods of performing the task - I'm
> simplfying the job so it can be explained more easily.)
> A snippet of the file would look like this:
> -rw-------  1 auser auser 3.7K Apr 12 10:11 auser/folder/new/127109228.file
> -rw-------  1 auser auser  16K Apr 12 12:32 auser/folder/new/127110076.file
> I would like to write either single-line perl command or a nano search and
> replace to substitute the directory info and replace it with a file delete
> so it would look like this:
> rm -f auser/folder/new/127109228.file
> rm -f auser/folder/new/127110076.file
> Then I can just execute converted directory file as a shell script and
> delete my files. But I'm having a brain-freeze on what a valid regex would
> look like to match. Help??
> Thanks again,
> -- Dave Spencer, PageWeavers
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech
vox-tech mailing list

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Appahost Applications
For a significant contribution towards our projector, and a generous donation to allow us to continue meeting at the Davis Library.