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Full Discussion: Start process on X number of files and then wait for the next batch
Top Forums Shell Programming and Scripting Start process on X number of files and then wait for the next batch Post 303034599 by busyboy on Tuesday 30th of April 2019 09:22:12 AM
Old 04-30-2019
the exact narration is

execute 10 jobs in either background or foreground -- wait for all them to finish and then start the next 10 or whatever count is coming from the next batch of files.

I think I'll have to go with the Plan-B ( execute 10 jobs at a given time , and start a new if there are less than 10 jobs running ) --

but what if 2 or more background processes are finished before the sleep is timed out, You see your code is running only 1 job in the else case.


Code:
for single_job in ${job_list}
do
   active_jobs=$(ps -f|grep -c slee[p])            #  This is the important bit!
   if [ $active_count -ge 10 ]
   then
      echo "All running at full capacity"
      sleep 1    # Pick a suitable check frequency
   else
      "${single_job}" &                 <----- Should I do the calculation on this point as well , how many jobs are running and how many to start ?
   fi
done

echo "Finished them with up-to-ten running"

 

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soundconverter

SOUNDCONVERTER(1)						GNOME User's Manual						 SOUNDCONVERTER(1)

NAME

       soundconverter - convert sound files to other formats

SYNOPSIS

       soundconverter [options] [file...]

DESCRIPTION

       soundconverter  is  a  simple tool for converting sound files to other formats.	It can work from the command line, but is really meant for
       interactive use in the GNOME environment.

OPTIONS

       -h, --help
	      Print out a usage summary.

       -b, --batch
	      Convert in batch mode, from command line, without a graphical user interface.  You can use this from, say, shell scripts.

       -m, --mime-type arg
	      Set the output MIME type for batch mode.	The default is audio/x-vorbis.	Note that you probably want to set the	output	suffix	as
	      well.

       -q, --quiet
	      Be quiet.  Don't write normal output, only errors.

       -d, --debug
	      Print additional debug information.

       -s, --suffix arg
	      Set the output filename suffix for batch mode.  The default is .ogg.  Note that the suffix does not affect the output MIME type.

       -t, --tags
	      Show tags for input files instead of converting them.  This indicates command line batch mode and disables the graphical user inter-
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       -j, --jobs=
	      Force number of concurent conversions.  Default is one per present CPU.

AUTHOR

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GNOME
								    2009-06-10							 SOUNDCONVERTER(1)
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