David Buddrige wrote:
>
> Hi all,
Hello,
> I have a bunch of C++ source files that have had form-feed characters
> inserted in them every so often. In vi and emacs these characters
> appear as ^L. I am wanting to write a short perl script that will pull
> out these characters; I am thiking of something like:
>
> while(<INPUT>)
> {
> $_ =~ s/^L//g;
> }
>
> However, I am not sure how to specify the form-feed character - I am not
> even sure if it is specifically a "form-feed" or if it is some other
> character that may be used to signify end-of-page. Does anyone have an
> idea of
If you find a control character in a file represented like ^L you can
represent it in perl with the \cL escape sequence.
s/\cL//g;
# or
tr/\cL//d;
> a) How to determine the exact value of a non-printable character in a
> text file.
perldoc -f ord
> and
>
> b) how to specify it in a search/replace?
For any character use an octal representation (s/\014//g) or a
hexadecimal representation (s/\x0C//g)
John
--
use Perl;
program
fulfillment
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