Web Resources

The UNIX File System I have a series of videos on using this.

Regular Expressions

cat

cut

grep

• Corey Schaeffer on grep

tr This is the character translator. It has options -d -c -s.

• This video has a nice demo of tr.

awk This is the stream editor; it is "noninteractive vim."

sed This is the stream editor; it is "noninteractive vim."

• Tutorial on basic substitution
• Tutorial on inserting at beginning and ends of lines
• Working with letters and numbers with simple regexes
• Using & to manipulate regex matches (you can correct his mistake around 8:00)
• > Nifty delimiter trick