+
−#!/bin/bash
+
−if [ $# -ne 1 ]; then
+
−    echo "usage: ./view_log.sh target"
+
−    exit 1
+
−fi
+
−ruby ./log.rb $1 > /tmp/log.dot
+
−dot -Tsvg /tmp/log.dot > /tmp/log.svg; open /tmp/log.svg