Read/Write files from a script

["Anil Gupte/k.e.e.n., inc." <anilgupte@keeninc.net>]

Is there a shell command to read files?  I want to open a text file, loop through each line and parse the line of text.

 

Also, as I am in learning mode, is there a way to write text files from a script?

 

Thanx,

Anil Gupte