ref: a8969cc89318a1bdb5d4c78c8f35a1e55333e061
dir: /rc/bin/diffy/
#!/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