#!/dis/sh
# find a given filename in a series of paths
# find mc -i /dis /appl

load expr
load std

fn usage {
	echo >[1=2] usage: find filename paths...
	exit usage
}

if {! ntest ${expr $#* 2 ge} } {
	usage
}

# Get grep options
ind=1
dirs=()
opts=()
for i in $* { 
	if {~ $i -*} {
		opts=($opts $1)
		ind = ${expr $ind 1 +}
	}
}

# Get grep pattern
pattern=${index $ind $*}
ind = ${expr $ind 1 +}

# Get directory list
n = 1
for i in $* {
	if { ntest ${expr $n $ind ge} } {
		dirs = ($dirs $i)
	}
	n = ${expr $n 1 +}
}

du -an $dirs | grep $opts $pattern