Monthly Archives: February 2010

XMLStarlet: command line XML toolkit

XMLStarlet is a set of command line utilities (tools) which can be used to transform, query, validate, and edit XML documents and files using simple set of shell commands in similar way it is done for plain text files using UNIX grep, sed, awk, diff, patch, join, etc commands.

This set of command line utilities can be used by those who deal with many XML documents on UNIX shell command prompt as well as for automated XML processing with shell scripts.
Ubuntu allready has it in the repos, so issue the following command in your terminal to install it:

sudo aptitude install xmlstarlet

Vacuum your Firefox 3

This tip will hopefully speed up your Firefox 3 by optimizing it’s database.
Firefox stores your browsing data using SQLite – self contained, small footprint database.
Having database store your browsing data has one drawback, you have to optimize the database from time to time to get rid of old, deleted data, re-index the columns etc.
Otherwise you keep all the junk data mixed in with your real data.
In SQLite is the statement to do this called VACUUM. So here’s how to vacuum your Firefox:

1. Download sqlite command line client for your platform. In Ubuntu, go to yout terminal and issue the following command:

sudo aptitude install sqlite3

2. Turn off your Firefox
3. Go to your profile folder
4. Issue the command:
* For Linux

for i in *.sqlite; do echo "VACUUM;" | sqlite3 $i ; done

* For Windows

for %i in (*.sqlite) do @echo VACUUM; | sqlite3 %i


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