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Posts Tagged ‘Smart autocompeltion’

I have been looking for a way to favourite my commands. Turning on Bash Smart autocompletion is a start. I found this posting at Ubuntu Blog:

The Bash shell has this sweet feature where you can use the TAB key to auto-complete certain things. For example, when I am in my home directory, the following command:

$cd Do[TAB-key]

will automatically yield:
$cd Documents

If you are an absolute novice, like I was, not so long ago, discovering tab completion in the terminal can make you go “Wow!”. Wait till you hear the rest now :)

Though you can use the TAB key to complete the names of files and directories, by default the completion is pretty “dumb”. If you have already typed $cd D you would expect that the tab key would cause only the directory names to be completed, but if I try it on my machine, the tab completion tool uses filenames too.

Now, don’t despair! There is now a smart bash tab completion trick you can use. Smart completion even complete the arguments to commands!!

To enable smart completion, edit your /etc/bash.bashrc file. Uncomment the following lines, by removing the # in the beginning of the lines:

#if [ -f /etc/bash_completion ]; then
# . /etc/bash_completion
#fi

Now you can use tab completion to power your way through commands.

You can even extend bash smart completion to your own favourite commands by using /etc/bash_completion, the “complete” utility and /etc/bash_completion.d . Explaining the nitty-gritty is beyond me. I refer you to the Debian Administration gurus for more information regarding smarter bash completion.

Thanks Carthik, I do believe this is the solution. First turn on smart autocompletion, check to see if your favourite commands autocomplete, and if not, then create a file containing these commands using the link provided.

UPDATE: Working with history in Bash

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