jdk/src/macosx/native/jobjc/run-and-write-if-okay

#!/usr/bin/env ruby
#
# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
#

if ARGV.length < 2
  puts <<EOF
Expects two args: EXEC and OUTPATH. First, it runs and prints
`EXEC 2>&1`. If it returns successfully, it writes the output to OUTPATH.
This script will return successfully unless writing the output fails.
EOF
  exit
end

EXECPATH = ARGV[0]
OUTPATH  = ARGV[1]

output = `#{EXECPATH}`
puts output

if $?.to_i == 0
  puts "Writing output of #{EXECPATH} to #{OUTPATH}"
  File.open(OUTPATH, 'w') {|f| f.write(output) }
else
  puts "#{EXECPATH} failed to run trial. Ignoring."
end