Sha256: d0910b5ff5c158af7701f52e1a6b051f45743c7b74b62fd5c2c549a91c247820
Contents?: true
Size: 1.74 KB
Versions: 120
Compression:
Stored size: 1.74 KB
Contents
#!/usr/bin/env ruby
# For running shell commands through cron - only prints output if there is an error
#
# author mconway
# since 8/12/07
require 'optparse'
require 'ostruct'
require 'rubygems'
require 'open4'
options = OpenStruct.new
options.logfile = "/tmp/cron-sh-#{Time.now.tv_sec}.log"
options.echoerr = false
options.echoout = false
opts = OptionParser.new do |opts|
opts.banner = "Usage: cron-sh [options] <shell command>"
opts.separator "Runs the given command, sending all stdout/stderr to a logfile, but echoing"
opts.separator "the entire file if the command exits with an error"
opts.separator ""
opts.separator "Specific options:"
opts.on("-l", "--log logfile", "Log to given file instead of a default") do |val|
options.logfile = val
end
opts.on("-o", "--[no-]echoout", "Log _and_ echo stdout") do |val|
options.echoout = true
end
opts.on("-e", "--[no-]echoerr", "Log _and_ echo stderr") do |val|
options.echoerr = true
end
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
end
cmd = opts.parse(ARGV)
status = Open4::popen4(*cmd) do |pid, stdin, stdout, stderr|
File.open(options.logfile, "w") do | fh |
threads = []
threads << Thread.new(stdout) do |stdout|
stdout.each { |line| $stdout.puts line if options.echoout; fh.print line; fh.flush }
end
threads << Thread.new(stderr) do |stderr|
stderr.each { |line| $stderr.puts line if options.echoerr; fh.print line; fh.flush }
end
threads.each { |t| t.join }
end
end
result = status.exitstatus
if result != 0
puts ""
puts "*** Process exited with non-zero error code, full output follows"
puts "*** Command was: #{cmd.join(' ')}"
puts ""
puts IO.read(options.logfile)
end
exit(result)
Version data entries
120 entries across 80 versions & 7 rubygems