Magic space on the current command line

# For how to set up magic space for Bash see:
# – http://www.ukuug.org/events/linux2003/papers/bash_tips/#slide15
# – http://codesnippets.joyent.com/posts/show/1690

man bash 2>/dev/null | less -p ’magic-space’

man bash 2>/dev/null | less -p ’Event Designators’

man bash 2>/dev/null | less -p &#8217;\!#&#8217; # &#8221;The entire <a class="zem_slink" title="Command-line interface" rel="wikipedia" href="http://en.wikipedia.org/wiki/Command-line_interface">command line typed so far.&#8221;

<a href="http://snippets.dzone.com/posts/show/10265">Read more :<h6 class="zemanta-related-title" style="font-size: 1em;">Related articles by Zemanta <ul class="zemanta-article-ul"> <li class="zemanta-article-ul-li"><a href="http://www.makeuseof.com/tag/trigger-wake-lan-mac-address/">How To Trigger Wake On LAN Using The MAC Address (makeuseof.com) <li class="zemanta-article-ul-li"><a href="http://smarterware.org/4271/projectview-lists-your-todo-txt-by-project">Projectview Lists Your Todo.txt by Project (smarterware.org) <li class="zemanta-article-ul-li"><a href="http://helpdeskgeek.com/linux-tips/shell-script-backup-directory-linux/">Back Up a Directory in Linux using a Shell Script (helpdeskgeek.com) <div class="zemanta-pixie" style="margin-top: 10px; height: 15px;"><a class="zemanta-pixie-a" title="Reblog this post [with Zemanta]" href="http://reblog.zemanta.com/zemified/038d79c3-59e6-41ad-a8ad-31d1af669509/"><img class="zemanta-pixie-img" style="border: medium none; float: right;" src="http://blog.amit-agarwal.co.in/wp-content/uploads/2010/08/reblog_e39.png" alt="Reblog this post [with Zemanta]" /><span class="zem-script more-related pretty-attribution">

Verify all the paths in the PATH directory

Here is the command to test that all the directories in your path actually exist.

(<a class="zem_slink freebase/en/internal_field_separator" title="Internal field separator" rel="wikipedia" href="http://en.wikipedia.org/wiki/Internal_field_separator">IFS=:;for p in $PATH; do test -d $p || echo $p; done)

And the explanation :

Set the IFS to &#8221;:&#8221;

now we loop through the PATH variable

and test all the directories with &#8221;test -d&#8221;

Here is another version without IFS:

for i in ${PATH//:/ };do test  -d $i || echo $i;done

Continue reading

PuTTY alternatives - AlternativeTo.net

Sometimes after hours of searching you find a link so good that it needs no introductions and neither any writeup. I found one such page today :

<a href="http://alternativeto.net/desktop/putty/">http://alternativeto.net/desktop/putty/<h6 class="zemanta-related-title">Related articles by Zemanta <ul class="zemanta-article-ul"> <li class="zemanta-article-ul-li"><a href="http://www.downloadsquad.com/2010/05/18/kitty-is-win32-native-putty/">KiTTY is Win32-native PuTTY (downloadsquad.com) <li class="zemanta-article-ul-li"><a href="http://blog.amit-agarwal.co.in/2010/04/11/putty-export-client-display-on-login-for-opening-x-application-and-terminal/">PuTTY export client display on login for opening X application and terminal. (amit-agarwal.co.in) <li class="zemanta-article-ul-li"><a href="http://colonelqubit.wordpress.com/2010/05/05/time-to-empty-my-pockets-for-foss-projects/">Time to empty my pockets for FOSS projects (colonelqubit.wordpress.com) <div class="zemanta-pixie"><a class="zemanta-pixie-a" title="Reblog this post [with Zemanta]" href="http://reblog.zemanta.com/zemified/a0e0301f-eb88-41fd-afbb-ab5bea19c81b/"><img class="zemanta-pixie-img" src="http://blog.amit-agarwal.co.in/wp-content/uploads/2010/08/reblog_b96.png" alt="Reblog this post [with Zemanta]" /><span class="zem-script more-related more-info pretty-attribution paragraph-reblog">

Google staff dropping Windows for Macs, Linux PCs

Related articles by Zemanta

• Google said to be moving away from Windows internally, Mac and Linux systems on tap instead (engadget.com)
• Google revamps new employee computer policy; Windows now out of the equation (edibleapple.com)
• Who Needs Windows? Google Starts Putting Their Computers Where Their Mouth Is (techcrunch.com)

vim understanding the various modes and using the yanking more efficiently.

We will look at the vim modes today. Sometime back , I was looking at copying a function body. So I was basically looking to copy the lines till matching &#8221;}&#8221;. I found a plugin called <a href="http://www.vim.org/scripts/script.php?script_id=1234" target="_blank">yankring which would allow me to yank the text in various combinations. So I can copy a function by going to the begining of the function and then &#8221;y}&#8221;. That is very simple to understand right? Wrong!!!

There is only one reason left why Windows exists

<span style="background-color: #ffffff;"><span style="font-size: small;">156 minutes of pain compared with 26 minutes of success. That&#8217;s the difference between a Windows installation and a Linux installation. After two and a half hours fiddling with a Windows install on my Toshiba laptop, it became pretty obvious what is one major reason why Windows remains a viable operating system.