[85] | 1 | #!/bin/bash |
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| 2 | |
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[82] | 3 | #----------------------------------------------------------- |
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| 4 | # $Id: execute.sh 128 2009-06-26 08:43:23Z rosiere $ |
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| 5 | #----------------------------------------------------------- |
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[2] | 6 | |
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[112] | 7 | #-----[ global variable ]----------------------------------- |
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[78] | 8 | |
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[2] | 9 | #-----[ lock ]---------------------------------------------- |
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| 10 | function lock () |
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| 11 | { |
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[112] | 12 | lockfile -1 ${1}; |
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[2] | 13 | } |
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| 14 | |
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| 15 | #-----[ unlock ]-------------------------------------------- |
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| 16 | function unlock () |
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| 17 | { |
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[112] | 18 | rm -f ${1}; |
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[2] | 19 | } |
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| 20 | |
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[112] | 21 | #-----[ my_date ]------------------------------------------- |
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| 22 | function my_date () |
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[2] | 23 | { |
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[112] | 24 | date +"%F %T"; |
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| 25 | } |
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[2] | 26 | |
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[112] | 27 | #-----[ execute_usage ]------------------------------------- |
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| 28 | function execute_usage () |
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| 29 | { |
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[124] | 30 | echo "Usage : ${0} path_work file_cmd file_cpt file_cpu id"; |
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[112] | 31 | echo "Arguments : "; |
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[124] | 32 | echo " * path_work : directory to execute command"; |
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[112] | 33 | echo " * file_cmd : list of command"; |
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| 34 | echo " * file_cpt : file with the index of next command to execute"; |
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| 35 | echo " * file_cpu : tmp file to stock the current index"; |
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[124] | 36 | echo " * id : identification"; |
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[112] | 37 | exit; |
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| 38 | } |
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| 39 | |
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| 40 | #-----[ execute_test_usage ]-------------------------------- |
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| 41 | function execute_test_usage () |
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| 42 | { |
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[124] | 43 | if test ${#} -ne 5; then |
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[112] | 44 | execute_usage; |
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[2] | 45 | fi; |
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| 46 | |
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[112] | 47 | if test ! -d ${1}; then |
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| 48 | echo "Directory ${1} is invalid"; |
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| 49 | fi; |
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| 50 | } |
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| 51 | |
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| 52 | #-----[ execute ]------------------------------------------- |
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| 53 | function execute () |
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| 54 | { |
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| 55 | # test_usage |
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| 56 | execute_test_usage ${*}; |
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| 57 | |
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| 58 | local -a COMMAND; |
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| 59 | local -i CPT_OLD; |
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| 60 | local -i CPT; |
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[124] | 61 | local PATH_WORK=${1}; |
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[112] | 62 | local FILE_CMD=${2}; |
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| 63 | local FILE_CPT=${3}; |
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| 64 | local FILE_CPU=${4}; |
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[124] | 65 | local ID=${5}; |
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| 66 | local LOCK_CPT="${PATH_WORK}/.lock-cpt"; |
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| 67 | local LOCK_CPU="${PATH_WORK}/.lock-cpu"; |
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| 68 | local OUTPUT_FILE_INFO="distexe.info"; |
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| 69 | local OUTPUT_FILE_CMD="distexe.command"; |
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| 70 | local OUTPUT_FILE_OUT="distexe.output"; |
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[112] | 71 | |
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[124] | 72 | # echo " * {"$(my_date)"} <${ID}> pid is $$"; |
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[112] | 73 | |
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| 74 | # Init CPT if this thread is the first |
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| 75 | lock ${LOCK_CPT}; |
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| 76 | if test ! -s ${FILE_CPT}; then |
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[124] | 77 | echo " * {"$(my_date)"} <${ID}> create counter file ${FILE_CPT}"; |
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[112] | 78 | echo "0" > ${FILE_CPT}; |
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| 79 | fi; |
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| 80 | unlock ${LOCK_CPT}; |
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| 81 | |
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| 82 | # read, line by line, the command file and write in array |
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[2] | 83 | CPT=0; |
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| 84 | |
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| 85 | while read line; do |
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[112] | 86 | COMMAND[${CPT}]="${line}"; |
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| 87 | CPT=$((${CPT}+1)); |
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| 88 | done < ${FILE_CMD}; |
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[2] | 89 | |
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[127] | 90 | local -i NB_DIGIT=0; |
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[128] | 91 | local -i NB_COMMAND=${#COMMAND[*]}; |
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| 92 | local -i x=${NB_COMMAND}; |
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[127] | 93 | |
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| 94 | while test ${x} -ne 0; do |
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| 95 | NB_DIGIT=$((${NB_DIGIT} + 1)); |
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| 96 | x=$((${x} / 10)); |
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| 97 | done; |
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| 98 | |
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[124] | 99 | echo " * {"$(my_date)"} <${ID}> is ready"; |
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[2] | 100 | |
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| 101 | # infinite loop |
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| 102 | CPT_OLD=0; |
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| 103 | CPT=0; |
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| 104 | |
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| 105 | while test 1; do |
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| 106 | # Take a number |
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[112] | 107 | CPT_OLD=${CPT}; |
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[2] | 108 | |
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[112] | 109 | # Read the index, and increase |
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| 110 | lock ${LOCK_CPT}; |
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| 111 | CPT=$(cat ${FILE_CPT}); |
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| 112 | echo "$((${CPT}+1))" > ${FILE_CPT}; |
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| 113 | unlock ${LOCK_CPT}; |
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[2] | 114 | |
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[124] | 115 | # test if this number is valid |
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[128] | 116 | if test ${CPT} -ge ${NB_COMMAND}; then |
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| 117 | CPT=${NB_COMMAND}; |
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[2] | 118 | fi; |
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| 119 | |
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| 120 | # test if between the cpt_old and cpt, there are a synchronisation command |
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| 121 | |
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[112] | 122 | # local -i CPT_SYNC=${CPT}_OLD; |
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[2] | 123 | # |
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[112] | 124 | # while test ${CPT}_SYNC -lt ${CPT}; do |
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| 125 | # if test -z "${COMMAND[${CPT}_SYNC]}"; then |
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[124] | 126 | # echo " * {"$(my_date)"} <${ID}> synchronisation [${CPT}_SYNC]"; |
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[2] | 127 | # fi; |
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[112] | 128 | # CPT_SYNC=$((${CPT}_SYNC+1)); |
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[2] | 129 | # done; |
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| 130 | |
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| 131 | # test if this number is valid |
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[128] | 132 | if test ${CPT} -eq ${NB_COMMAND}; then |
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[2] | 133 | break; |
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| 134 | fi; |
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| 135 | |
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| 136 | # Test if command is empty ! |
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[112] | 137 | if test ! -z "${COMMAND[${CPT}]}"; then |
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[127] | 138 | local NUM=$(printf %.${NB_DIGIT}d ${CPT}); |
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| 139 | |
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| 140 | # echo " * {"$(my_date)"} <${ID}> execute command [${NUM}] : ${COMMAND[${CPT}]}"; |
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[128] | 141 | echo " * {"$(my_date)"} <${ID}> command [${NUM}/${NB_COMMAND}] : execute"; |
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[124] | 142 | local PATH_CURRENT=${PWD}; |
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[127] | 143 | |
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[124] | 144 | cd ${PATH_WORK} &> /dev/null; |
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[127] | 145 | mkdir "Task_${NUM}" &> /dev/null; |
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| 146 | cd "Task_${NUM}" &> /dev/null; |
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[124] | 147 | echo "id : ${ID}" > ${OUTPUT_FILE_INFO}; |
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| 148 | echo "host : ${HOSTNAME}" >> ${OUTPUT_FILE_INFO}; |
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| 149 | echo "pid : $$" >> ${OUTPUT_FILE_INFO}; |
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| 150 | echo "date : "$(my_date) >> ${OUTPUT_FILE_INFO}; |
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| 151 | echo "#!/bin/bash" > ${OUTPUT_FILE_CMD}; |
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| 152 | echo 'source ${HOME}/.bashrc;' >> ${OUTPUT_FILE_CMD}; |
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| 153 | echo "${COMMAND[${CPT}]}" >> ${OUTPUT_FILE_CMD}; |
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| 154 | chmod +x ${OUTPUT_FILE_CMD}; |
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| 155 | ./${OUTPUT_FILE_CMD} &> ${OUTPUT_FILE_OUT}; |
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| 156 | cd ${PATH_CURRENT} &> /dev/null; |
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[128] | 157 | echo " * {"$(my_date)"} <${ID}> command [${NUM}/${NB_COMMAND}] : done"; |
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[2] | 158 | fi; |
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| 159 | done; |
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| 160 | |
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[124] | 161 | echo " * {"$(my_date)"} <${ID}> is done"; |
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[2] | 162 | |
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[112] | 163 | lock ${LOCK_CPU}; |
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| 164 | CPT=$(cat ${FILE_CPU}); # read the index |
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| 165 | CPT=$((${CPT}-1)); |
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| 166 | echo "${CPT}" > ${FILE_CPU}; # write the next index |
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| 167 | unlock ${LOCK_CPU}; |
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[2] | 168 | |
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[112] | 169 | if test ${CPT} -eq 0; then |
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[124] | 170 | echo " * {"$(my_date)"} <${ID}> All task is executed on this host"; |
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[112] | 171 | rm ${FILE_CPU}; |
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[2] | 172 | fi; |
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| 173 | } |
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| 174 | |
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| 175 | #-----[ Corps ]--------------------------------------------- |
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[112] | 176 | execute ${*}; |
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