Class: RQ::IOViewer

Inherits:
MainHelper show all
Defined in:
lib/rq/ioviewer.rb

Overview

the IOViewer class spawns an external editor command to view the stdin/stdout/stderr of a jid(s)

Constant Summary

Constants included from Logging

Logging::DIV0, Logging::DIV1, Logging::DIV2, Logging::DIV3, Logging::EOL, Logging::SEC0, Logging::SEC1, Logging::SEC2, Logging::SEC3

Instance Attribute Summary

Attributes inherited from MainHelper

#argv, #cmd, #dot_rq_dir, #env, #fields, #job_stdin, #loops, #main, #mode, #options, #program, #q, #qpath, #quiet, #stdin

Instance Method Summary collapse

Methods inherited from MainHelper

#dumping_yaml_tuples, #field_match, #init_job_stdin!, #initialize, #loadio, #loadyaml, #set_q

Methods included from Logging

append_features

Methods included from Logging::LogMethods

#debug, #error, #fatal, #info, #logerr, #logger, #logger=, #warn

Methods included from Util

#alive?, append_features, #btrace, #columnize, #defval, #emsg, #erreq, #errmsg, #escape, #escape!, #exec, export, #fork, #getopt, #hashify, #hms, #host, #hostname, #klass, #maim, #mcp, #realpath, #stamptime, #system, #timestamp, #tmpnam, #uncache, #which_ruby

Constructor Details

This class inherits a constructor from RQ::MainHelper

Instance Method Details

#ioview ⇒ Object

–{{{



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# File 'lib/rq/ioviewer.rb', line 15

def ioview
#--{{{
  @infile = @options['infile'] 
  debug{ "infile <#{ @infile }>" }

  jobs = [] 
  if @infile
    open(@infile) do |f|
      debug{ "reading jobs from <#{ @infile }>" }
      loadio f, @infile, jobs 
    end
  end
  if stdin? 
    debug{ "reading jobs from <stdin>" }
    loadio stdin, 'stdin', jobs 
  end
  jobs.each{|job| @argv << Integer(job['jid'])}

  editor = @options['editor'] || ENV['RQ_EDITOR'] || ENV['RQ_IOVIEW'] || 'vim -R -o'
  @argv.each do |jid|
    jid = Integer jid
    ios = %w( stdin stdout stderr ).map{|d| File.join @qpath, d, jid.to_s}
    command = "#{ editor } #{ ios.join ' ' }"
    system(command) #or error{ "command <#{ command }> failed with <#{ $?  }>" }
  end
  self
#--}}}
end