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Hi,
On Fri, Jul 27, 2007 at 07:53:05AM +0100, Neil Williams wrote:
> On Thu, 26 Jul 2007 20:43:15 +0100
> "Jonathan Roberts" <jonathan.roberts.uk@xxxxxxxxxxxxxx> wrote:
>
> > I have a load of HTML files and I want to add the same text to the
> > <head> section of all of them: is there any way I can add it
> > automatically?! sed perhaps?
>
> I'd use perl with something like:
> opendir(FH, "dir") or die ("message: $!);
> @files=grep(!/^\.\.?*.html/, readdir(FH));
> closedir(FH);
>
> foreach $file (@files)
> {
> open (FILE, "dir/$file") or die ("message2: $!);
> @contents=<FILE>;
> close (FILE);
> # now parse each file, one line at a time via the @contents array
>
> }
The above can be made much simpler by use of the -pi flags which
allow for in-place editing of files with a backup copy made. e.g.:
perl -npi.bak -e 's#<head>#<head>\nYour extra stuff here#i;' *.html
would turn:
<head>
into:
<head>
Your extra stuff here
in every file ending in .html and preserve the original version as
file.html.bak.
I believe the same can be done with sed/awk but I'm from the Perl
generation so never really bothered to learn anything other than the
absolute basics of those.
Cheers,
Andy
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