cd across parallel directories

Here is a simple and fast way to cd across parallel directory.

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    <div class="text codecolorer">
      cd ${PWD/test/actual}
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Empty a file

This one is for those who know the “touch” command. Hope all of us do not follow a  command just because it is on one of the popular site without trying to understand the command and the output.

cURL – Tutorial

Here are linkw to two nice tutorials on curl and how to use curl to login before we try to fetch a page. Hope you find them useful.
http://curl.haxx.se/docs/httpscripting.html

http://www.youtube.com/watch?v=XcgQUsorF_8

http://scriptasy.com/php_11/tutorial-curl-login_44.html

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