Convert a text file format from MSDOS to UNIX

dos2unix input_file output_file

This command fetches a web page, converts it to text and shows it.

lynx -dump http://www.example.com/

If you have a debian system and the XMMS in that has a bug that hides the fonts in dailog, try this command…

dpgk-reconfigure locales

Convert from lower case to upper case

echo 'hello world' | tr '[:lower:]' '[:upper:]'

Remove empty lines from a file using sed

sed '/^$/d' file.txt

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This commands reverses a file in linux - the last line will be the first…

tac file.txt

tac = reverse of cat

You can create a wav file of a written text using this command

echo "It's such a beautiful day! Why are you in front of the computer?" | festival --tts
echo "It's such a beautiful day! Why are you in front of the computer?" | text2wave -scale 50 -o beautiful_day.wav

Recursively check a folder to find the given text using grep

grep -R "text" *

Ever wonder how you can get a man page in into a format you can read and print?

man command | col -x -b  >  command.txt

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Search for a specific text in a folder using grep

grep "fetchFeedPacksCustomize()" *.js

[tags]grep,search,text,folder[/tags]