Quickie: Data Mining on the Web with Perl
An extremely basic example of grabbing some data
This is a simple web mining script using perl.#!/usr/bin/perluse LWP::Simple;$numPages=$ARGV[0];open OUTPUT,">/home/user/out.html";for($i=1;$i<=$numPages;$i++){print $i."\n"; $content=get("http://coderswasteland.com/node/".$i); print OUTPUT $content; print OUTPUT "*****...
Quickie: Multiple File Search and Replace
Solution: perl -pi -w -e 's/searchregex/replaceregex/g;' *.fileextension
If you've ever run into the necessity to change the same data over multiple files you know how hard it is to go through each and every file and update it by hand or at best do an indiviual regex on each. Here's how you can make the changes all in on fell swoop.perl -pi -w -e 's/searchregex/replac...
Quickie: Strip ^M (Control-M) Characters from Input File with Perl
Command line removal of control characters
For anyone that does file I/O and has to sometimes work with Windows-generated files in Linux, I feel your pain. Windows has these little nuances that sometimes makes our GNU/Linux world a fun place to live. Luckily, PERL has a simple little system in place that allows us to remove control charac...