bos@19: #$ name: diff
bos@19: 
bos@19: echo 'this is my first line' > oldfile
bos@19: echo 'my first line is here' > newfile
bos@19: 
bos@19: diff -u oldfile newfile > tiny.patch
bos@19: 
bos@19: cat tiny.patch
bos@19: 
bos@19: patch < tiny.patch
bos@19: 
bos@19: cat newfile