foozy@708: #!/bin/bash
foozy@708: 
foozy@708: #$ name: diff
foozy@708: 
foozy@708: echo 'this is my first line' > oldfile
foozy@708: echo 'my first line is here' > newfile
foozy@708: 
foozy@708: diff -u oldfile newfile > tiny.patch
foozy@708: 
foozy@708: cat tiny.patch
foozy@708: 
foozy@708: patch < tiny.patch
foozy@708: 
foozy@708: cat oldfile