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chr5tphr/sgetaskhost.rb

Last active April 8, 2019 12:55
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sgetaskhost.rb
#!/usr/bin/env ruby
require "rexml/document"
fd = IO.popen(["/opt/ge/bin/lx-amd64/qstat", "-j", ENV.fetch("JOB_ID", "0"), "-xml"])
doc = REXML::Document.new(fd.read)
xpath = "/detailed_job_info/djob_info/element/JB_ja_tasks/element[JAT_task_number/text()=1]/JAT_granted_destin_identifier_list/element/JG_qhostname/text()"
STDOUT << REXML::XPath.first(doc, xpath)
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