How can I remove text within parentheses with a regex?
I’m trying to handle a bunch of files, and I need to alter then to remove extraneous information in the filenames; notably, I’m trying to remove text inside parentheses. For example:
perl
How to efficiently calculate a running standard deviation
I have an array of lists of numbers, e.g.:
Seeking clarification on apparent contradictions regarding weakly typed languages
I think I understand strong typing, but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically.
Scraping dynamic content in a website
I need to scrape news announcements from this website, Link.
The announcements seem to be generated dynamically. They dont appear in the source. I usually use mechanize but I assume it wouldnt work. What can I do for this? I’m ok with python or perl.
What are the differences between Perl, Python, AWK and sed?
sed. It has a fixed, relatively simple scope of work defined by the idea of reading and examining each line of a file. sed is not designed to be particularly readable. It is designed to be very small and very efficient on very tiny unix servers.
How to filter IPv4 and IPv6 addresses?
echo "1.1.1.1" | awk '/[0-9]*.[0-9]*.[0-9]*.[0-9]*/ {print $1}' How can I filter IPv4 addresses in a script, and how can I filter IPv6 addresses. I mean more precisely then this so the oneliner should only output VALID IPv4 addresses or another script to output only VALID IPv6 addr. In different languages? like: awk, perl? ty! Answers: … Read more
What is the easiest way to add a string on the beginning of every line of the file from the command line?
I am looking for a way to add some string to the beginning of every line (same string for every line).
Not something customizable but rather something that will be easy to remember and available on every POSIX-compliant platform (and every shell as well).
How exactly does perl’s -0 option work?
According to man perlrun:
Replace strings in a file based on a list of strings and a list of corresponding replacements
I am trying to replace strings in a file A:
How to open terminal, split to 9 terminals and switch between them using one script?
I would like to open a terminal, split it to lets say 9 parts (3×3) and execute some bash script. But for each terminal part different script.