igor@333: #!/bin/bash
igor@333: 
igor@333: #$ name: diff
igor@333: 
igor@333: echo 'this is my original thought' > oldfile
igor@333: echo 'i have changed my mind' > newfile
igor@333: 
igor@333: diff -u oldfile newfile > tiny.patch
igor@333: 
igor@333: cat tiny.patch
igor@333: 
igor@333: patch < tiny.patch
igor@333: 
igor@333: cat oldfile