runjobsparallel.in


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#!/bin/bash
#
# #BINDIR#/runjobsparallel: run all executables in specified directory parallel
# version #VERSION#
#

if [ ! -d "$1" ] || [ $# -ne 1 ]
then
  >&2 echo 'runjobsparallel version #VERSION#'
  >&2 echo ''
  >&2 echo "usage: $0 <dir>"
  exit 1
fi

cd "$1" || exit 1

tmpDir=$(mktemp -d #TMPDIR#/runjobsparallel.XXXXXX)

for file in ./*; do
  if [ -f $file ] && [ -x $file ]; then
    i=${#errFiles[@]}
    errFiles[${i}]="${tmpDir}/err.${i}"
    (nice -n 19 $file; echo $? > ${errFiles[${i}]})&
    pids[${i}]=$!
  fi
done

allesDa=false
while ! ${allesDa}
do
  sleep 1
  allesDa=true
  maxErr=0
  for ((i=0; i<${#errFiles[@]}; i++))
  do
    pkill -0 "${pids[${i}]}" && laeuftNoch=true || laeuftNoch=false

    if [ -r ${errFiles[${i}]} ]
    then
      curErr=$(cat "${errFiles[${i}]}")
      [ ${curErr} -gt ${maxErr} ] && maxErr=${curErr}
    elif ${laeuftNoch}
    then
      allesDa=false
    else
      echo 255 > "${errFiles[${i}]}"
      maxErr=255
    fi
  done
done

rm -rf ${tmpDir}

exit ${maxErr}

# End of file