View xml files like a pro

Viewing XML files can be daunting with tracking mentally where the tag starts and where it ends. So, I ended up with the following alias to help me view xml files

xmllint --format - | pygmentize -f 16m -O style=native -g

procinfo and procinfo-ng : Get system information from /proc.

Install procinfo or procinfo-ng. The procinfo contains three programs :

/usr/bin/lsdev
/usr/bin/procinfo
/usr/bin/socklist

and procinfo-ng contains ::

/usr/bin/procinfo-ng

The description for both of them is similar ::

Name        : procinfo-ng
Version     : 2.0.304
Release     : 5.fc17
Architecture: i686
Install Date: Tue 24 Jul 2012 05:45:10 PM IST
Group       : Applications/System
Size        : 140366
License     : GPLv2 and LGPLv2
Signature   : RSA/SHA256, Mon 12 Mar 2012 09:56:55 PM IST, Key ID 50e94c991aca3465
Source RPM  : procinfo-ng-2.0.304-5.fc17.src.rpm
Build Date  : Wed 29 Feb 2012 02:30:54 AM IST
Build Host  : x86-06.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : http://sourceforge.net/projects/procinfo-ng/
Summary     : Console-based system monitoring utility
Description :
Procinfo-NG is a complete rewrite of the old system monitoring application
procinfo.  The goal is to make more readable (and reusable) code and to
restore broken functionality.

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colorgcc – Color your compiler output on Fedora

Lets start with installing colorgcc :

sudo yum install colorgcc

Now once that is done, you will need to ensure that the call to g++, gcc and others that you want to use, you will need to create a link in the “~/bin” directory, like so:

for i in g++ gcc c++ cc 
do
    ln -s $(which colorgcc) ~/bin/$i
done

The one liner above will create the links for colorgcc as **** your favourite compiler in your homedir. Don’t forget to add the bin diretory to your PATH variable:

/bash debugger

9.2. A bash Debugger

In this section we’ll develop a very basic debugger for bash.[10] Most debuggers have numerous sophisticated features that help a programmer in dissecting a program, but just about all of them include the ability to step through a running program, stop it at selected places, and examine the values of variables. These simple features are what we will concentrate on providing in our debugger. Specifically, we’ll provide the ability to: