Linux類比多線程拷貝

標籤：pos   enum   ext   done   art   nbsp   end   jobs   amp   

#!/bin/sh#記錄檔log_file=/data/threadcp.loga=$(date +%H%M%S)echo -e "startTime:\t$a"#最大線程數nParellel=4#擷取需拷貝檔案數組cd /data/testsrcfilelist=()j=0for file in $(ls *)do    filelist[j]=$file    let "j++"    done#擷取拷貝檔案數filenum=$(ls |wc -w)aJobs=()for ((nextJob = 0; nextJob < filenum; )); do    for ((iJob = 0; iJob < nParellel; ++iJob)); do        if [ $nextJob -eq $filenum ]; then            break;        fi        if [ ! "${aJobs[iJob]}" ] || ! kill -0 ${aJobs[iJob]} 2> /dev/null; then            {                cp ${filelist[nextJob]} /data/extd                echo "[$(date "+%F %T")]: ${filelist[nextJob]}" >> $log_file#                echo "[$(date "+%F %T")]: ${nextJob}" >> $log_file            } &            let "nextJob++"            aJobs[iJob]=$!        fi    done    sleep .1donewaitb=$(date +%H%M%S)echo -e "endTime:\t$b"

 

Linux類比多線程拷貝