Sha256: 7962ba6e911bd643c3fbd3f415052505da65fde5d5a4631adb6ec8841c71ec9b
Contents?: true
Size: 665 Bytes
Versions: 22
Compression:
Stored size: 665 Bytes
Contents
#!/usr/bin/env ruby
def execute(*args)
cmd = args.map(&:inspect) * ' '
puts "Executing: #{cmd}"
IO.popen(cmd, 'r') do |io|
io.each { |l| puts l }
end
end
argv = ARGV.dup
filename = argv.shift or fail "require a filename as first argument"
argv.empty? and argv << 'true'
argv.map! { |a| a == '%f' ? filename : a }
warn "Observing #{filename.inspect} for changes now and execute #{argv.inspect}."
old_mtime = nil
loop do
begin
mtime = File.mtime(filename)
if old_mtime.nil? || mtime > old_mtime
execute(*argv)
else
sleep 0.1
end
rescue Interrupt
exit 1
rescue Errno::ENOENT
ensure
old_mtime = mtime
end
end
Version data entries
22 entries across 22 versions & 1 rubygems