[TriLUG] vi or sed or perl question - joining lines

Craig Taylor ctalkobt at gmail.com
Fri Jun 1 16:38:00 EDT 2007


For the awk script,
I'd be curious to know the type of data you're feeding into it. I tested it
with a file containing the numbers 1 to 25 each on their own line.

This wouldn't happen to be binary data would it?

On 6/1/07, Mike Norwood <norwoodm at earthlink.net> wrote:
>
>
>
> Thanks for all the different ideas.  I tried the awk first (it looked
> shortest) but something is not working right, it appears to be giving me
> the right number of records, but is leaving out some of the data.  The vi
> would work but there are over 20000 lines which should combine to around
> 1800 records, so it will take too long.  So, about the perl, would I just
> take what you have below into a script, then execute it with "scriptname
> myfile" > out.file?
>
> Or is there any easy way to get vi to repeat the 12J command 1800 times?
>
> Thanks again for the suggestions, Mike
>
> On Fri, 1 Jun 2007, Andrew Perrin wrote:
>
> > Boy, that's icky. I would probably do something like this:
> >
> > #!/usr/bin/perl
> >
> > my $line;
> > my $i=1;
> > while (<>) {
> >       chomp;
> >       $line .= $_;
> >       $i++;
> >       if ($i == 12) {
> >               print "$line\n";
> >               $i = 0;
> >               $line = "";
> >       }
> > }
> > print "$line\n" if $line;
> >
> > ----------------------------------------------------------------------
> > Andrew J Perrin - andrew_perrin (at) unc.edu -
> http://perrin.socsci.unc.edu
> > Assistant Professor of Sociology; Book Review Editor, _Social Forces_
> > University of North Carolina - CB#3210, Chapel Hill, NC 27599-3210 USA
> > New Book: http://www.press.uchicago.edu/cgi-bin/hfs.cgi/00/178592.ctl
> >
> >
> >
> > On Fri, 1 Jun 2007, Mike Norwood wrote:
> >
> > >
> > > Hello,
> > >
> > > I have a big goofy text file I need to get into a more usable format.
> > > Basically what I need to do is join every 12 lines into 1 line, down
> > > through the entire file.  Does anyone have a good suggestion on how to
> do
> > > this?  I know that I must have done this same thing 2 years ago,
> because I
> > > found an earlier version of this same data from May 2005 that I
> somehow
> > > converted, but I now have no idea how it was done.
> > >
> > > Thanks, Mike
> > >
> > > --
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> > >
> >
>
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