Quick Tips

Check if a directory is empty:

if [ $(ls /path/to/directory/ | wc -l) -eq 0 ] ; then
    echo "Directory empty"
fi 

Find and print files that contain a particular search string:

find . -name "*.log" -exec grep "search string" '{}' /dev/null \; -print

Check java version in a script

$ java -fullversion 2>&1 | awk -F\" '{print $2}'
1.6.0-b105

Resources

• http://linuxhelp.blogspot.com/2005/10/10-seconds-guide-to-bash-shell.html

-- JesseSuen - 24 Jul 2006