xref: /plan9/rc/bin/diffy (revision b85a83648eec38fe82b6f00adfd7828ceec5ee8d)
1#!/bin/rc
2# diffy [diff-opts] file... - diff file against yesterday's version(s)
3rfork e
4diffopts=()
5while(! ~ $#* 0 && ~ $1 -* && ! ~ $1 --){
6	diffopts=($diffopts $1)
7	shift
8}
9if(~ $1 --)
10	shift
11if(! ~ $#* 1)
12	diffopts=($diffopts -m)
13for(f)
14	diff $diffopts `{yesterday $f} $f
15