An addition to the first one liner to those of us who would like to see what
those annoying files are. I added a "-print"
find . -type f -name \*.txt -print -exec perl -pi.bak -e 's/\r//' {} \;
Wai Chong
Sutter Health - Lawson Technical Team
phone: (916) 454-8822 text page: 9166586325@alphapage.airtouch.com
> -----Original Message-----
> From: Brian E. Lavender [SMTP:brian@brie.com]
> Sent: Thursday, August 12, 1999 11:51 AM
> To: lug-nuts@cheapnet.net
> Subject: Re: Linux Magazine for one liners
>
> It looks like I owe Mike a Linux Magazine which of course I forgot to
> bring to last night's meeting. Dooh! Anyway, I have a one liner
> that I believe just might top Mike's command. It will travel down a
> directory tree, open files that match a specified pattern, get rid of
> those annoying ^M's you get when you transfer text files from dos in
> binary mode ftp and it will back up the files it processed to the same
> name, but with the added extension .bak. Then, I have a one liner to
> remove all the backed up files.
>
> The first one liner
>
> $ find . -type f -name \*.html -exec perl -pi.bak -e 's/\r//' {} \;
>
> The second one liner
>
> $ find . -type f -name \*.bak -exec rm {} \;
>
> Here's what is happening in the first one liner. The find will search down
> a directory tree, starting from a specified directory. So, in this case it
> is the current working directory specified by the '.'. The find is also
> given a couple extra options. The first is the -type. This option tells
> find to find files that are ordinary files. Sym links, and directories
> are skipped. The -name option gives us the pattern. In this case we
> are looking for files that end in .html. The -exec option tells it to
> execute a command. In this case it is executing perl which also has two
> options specified for it. The -pi.bak tells it to back up the original
> file to the same name with the .bak added to the name. The -e says the
> perl code to be executed will be after this. Inside the single quotes is
> the search and replace that removes the ^M's. The curly brackets supply
> the file names to the executed perl command found by the find command.
>
> The second command does pretty much the same, but instead of executing a
> perl command, we execute an rm command which deletes the file. It is also
> looking for .bak files instead of the .html files.
>
> How is that for a one liner? I have to give credit to Ed Avis
> <epa@datcon.co.uk> for this because he is the one who responded to a
> question I posted to comp.lang.perl.misc about a year and a half ago.
>
> brian
>
>
> On Wed, Aug 11, 1999 at 10:30:32AM -0700, Mike Machado wrote:
> > I got one I did not yet get a chance to share.
> >
> > tr -d '\r' < msfile > unixfile
> >
> > This will stript those annoying ^M's you get when you transfer a MS file
> > to linux.
> >
> > Brian E. Lavender wrote:
> >
> > > Free copy for one liner at tonights meeting
> > >
> > > I have some copies of Linux Magazine. If you have a
> > > cool one liner to give at the beginning of the meeting,
> > > I have a free copy of Linux Magazine for you. Here's an
> > > example:
> > >
> > > tar cf - .| (cd /var/named/; tar xfp -)
> > >
> > > This command will copy files from one directory to another
> > > while maintaining permissions and owner/group ownership. It
> > > works across NFS mounts too.
> > >
> > > cp -a
> > >
> > > works similar to this. The tar command is more bullet proof (IMHO)
> > >
> > > brian
> > > --
> > > Brian Lavender
> > > http://www.brie.com/brian/
> >
> > --
> > Mike Machado
> > mike@innercite.com
> > InnerCite
> > Network Specialist
> >
>
> --
> Brian Lavender
> http://www.brie.com/brian/
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