24 Sep 2011

Perl Weekly: A Free, Weekly Perl Email Newsletter

I will like to introduce you to Perl Weekly:

A free, once a week e-mail round-up of hand-picked news and articles about Perl.

Perl Weekly is managed by Gabor Szabo of Perl Training Israel.

Perl Weekly will help you keep up to date with the latest happenings in the Perl community from around the world. It features news about conferences and workshops so that you do not miss one. Articles superficially related to Perl are featured as well, to give rise to new ideas, borrow existing ideas from other communities or start discussions.

Personally, I was able to learn and get ideas from the articles that were featured. Hence I recommend that you subscribe to it. If you have not subscribed to the e-mail newsletter yet, you may do so at: Perl Weekly. All past issues are archived. Latest issue (week 8).

Start blogging about Perl so that your articles will also be featured in Perl Weekly which is currently read by more than 990 subscribers (and steadily increasing).

24 Aug 2009

svn: Directory .svn containing working copy admin area is missing

While working with Subversion, I removed a directory (specifically .sass-cache/) after placing it under version control without knowledge. Subversion failed to commit. I had to forcefully remove the already removed file to proceed.

svn remove --force .sass-cache/
14 May 2009

SSH Hosts

Why should ssh shell.example.com -p 2345 -l example be used when you can use ssh shell?

Create $HOME/.ssh/config file if it does not already exist. Populate it with the following data:

Host shell
User example
Hostname shell.example.com
Port 2345

That is it! You can now just ssh shell.

25 Dec 2008

Finding the latest linux kernel version

I always like to run the latest linux kernel. I found that I kept checking http://kernel.org/ at regular intervals. Thus this script was born: latest_kernel.pl.

23 Dec 2008

WWW::Rapidshare::Free

Just released WWW::Rapidshare::Free Perl module for all free users of Rapidshare. Check out the example/ directory for a sample script. You can expect a GUI soon!

23 Dec 2008

Christmas Tree

perl -MAcme::POE::Tree -e 'Acme::POE::Tree->new()->run()'

26 Nov 2008

Checking External (WAN) IP

You can use:

curl whatismyip.org
wget -qO - whatismyip.org

There are many other ways too.

10 Nov 2008

General Purpose Bit Flag not being set

This is an unreported bug in the Archive::Zip Perl module. This means that the level of compression will not be stored in the archives that are created, which may cause trouble with some extractors while inflating. PKWARE’s application note on the .Zip file format states that these flags should be set.

Please see: Update on General Purpose Bit Flag bug and Archive::Zip does not set General Purpose Bit Flag.

30 Oct 2008

Bash Completion

Bash completion is a very good feature in Bash. We are able to complete filenames, just by pressing TAB. I had downloaded a YouTube video related to Tsar Bomba. Since YouTube videos are Flash Video files (.flv), I was not able to complete their filenames by pressing TAB in the terminal when trying to invoke mplayer.

A quick inspection of /etc/bash_completion solved the problem.

In mplayer(1) completion section,

_filedir '@(mp?(e)g|MP?(E)G|wm[av]|WM[AV]|avi|AVI|asf|ASF|vob|VOB|bin|BIN|dat|DAT|vcd|VCD|ps|PS|pes|PES|fli|FLI|viv|VIV|rm?(j)|RM?(J)|ra?(m)|RA?(M)|yuv|YUV|mov|MOV|qt|QT|mp[34]|MP[34]|og[gm]|OG[GM]|wav|WAV|dump|DUMP|mkv|MKV|m4a|M4A|aac|AAC|m2v|M2V|dv|DV|rmvb|RMVB|mid|MID|ts|TS|3gp|mpc|MPC|flac|FLAC|flv)'

flv was appended at the end. That was it. Problem solved! Happy viewing!

24 Oct 2008

.Zip parser code

The local subversion repository of zip_parser has been migrated to Google Code using svnsync. Have to add support for Zip64 and encrypted archives soon.