1 files changed, 14 insertions, 0 deletions
diff --git a/rc/bin/diffy b/rc/bin/diffy
new file mode 100755
index 000000000..50f697eee
--- /dev/null
+++ b/rc/bin/diffy
@@ -0,0 +1,14 @@
+#!/bin/rc
+# diffy [diff-opts] file... - diff file against yesterday's version(s)
+rfork e
+diffopts=()
+while(! ~ $#* 0 && ~ $1 -* && ! ~ $1 --){
+	diffopts=($diffopts $1)
+	shift
+}
+if(~ $1 --)
+	shift
+if(! ~ $#* 1)
+	diffopts=($diffopts -m)
+for(f)
+	diff $diffopts `{yesterday $f} $f