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A bare-bones code snippet to remove duplicate lines from a file. There are a number of ways to accomplish this task but this is a fast and dependable method using perls inplace editor and a simple hash to get the job done.
This probably should not be used for really big files, but files with a... (View Snippet)
This is a bare-bones search and replace script that uses perls in-place editor and the File::Find module to get the job done quickly. It will search in all sub directories of the start directory and find and replace the text you specify in the type of file you specify. Keep in mind, this is a... (View Snippet)
Ever wanted to evaluate a user-provided expression, maybe from a form input or otherwise, and return the result? eval($expr) is dangerous because eval(open $out, "> file.what"); will open the file, infact, eval(everything) will pretty much do everything. checking though everything is tedious, and... (View Snippet)
Regex to match the dd/mm/yyyy date format. (View Snippet)
Given the date in mm-dd-yyyy (or M-D-YYYY) format (or any combination of that format) you can find out what day of the week that was on or is on or will be on, within the limitations of the system the script resides on.
This snippet uses only core functions and modules so nothing needs to be... (View Snippet)
This is my first working perl script that does anything useful; that being to count the hits made on a web page and display the count graphically. To make the counter work on your web page (should you wish to), you will need to create images for the number tiles like the one found on my site. You... (View Snippet)
This is a routine task best done with two regexp's when using perl. (View Snippet)
Convert 1000000 into 1,000,000 using a perl regexp. (View Snippet)
Use the List::Util module. I believe List::Util is a core module starting with perl 5.8. For older versions of perl you may need to install the module. See the module documentation for more details: List::Util (View Snippet)
I've seen this question (or similar) asked many times on forums:
I have a variable in a file (text) and want to expand it. For example, I have this line in a text file:
Mary had a little $lamb
and I want to be able to expand $lamb but text files are treated as single-quoted strings and perl... (View Snippet)
