#!/bin/sh usage() { echo "usage: $0 [options] base-dir" 1>&2 exit 1 } [ "$1" ] || usage opts= while [ "$2" ]; do opts="$opts $1" shift done [ -d "$1" ] || usage for f in "$1"/24*; do echo -n `basename "$f"` '' for n in "$f"/data*; do ./fft $opts -s 100 0 20 70 <"$n" || echo "fft failed for $n" 1>&1 done | ./range -v 5 done