シェルで待ち時間のないジョブネットを作った

 1#!/bin/bash
 2
 3./jobA &
 4pidA=$!
 5./jobB &
 6pidB=$!
 7./jobC &
 8pidC=$!
 9
10wait $pidA
11stsA=$?
12if [ $stsA != 0 ];then
13    exit 1
14fi
15wait $pidB
16stsB=$?
17if [ $stsB != 0 ];then
18    exit 1
19fi
20
21./jobD &
22pidD=$!
23
24wait $pidC
25stsC=$?
26if [ $stsC != 0 ];then
27    exit 1
28fi
29
30wait $pidD
31stsD=$?
32if [ $stsD != 0 ];then
33    exit 1
34fi
35
36exit 0

 1#!/bin/bash
 2
 3rm -f ./jobA.sts; rm -f ./jobB.sts; rm -f ./jobC.sts; rm -f ./jobD.sts; rm -f ./jobE.sts
 4
 5./jobA &
 6pidA=$!
 7./jobB &
 8pidB=$!
 9./jobC &
10pidC=$!
11
12finA=9; finB=9; finC=9
13stsA=9; stsB=9; stsC=9
14pidD=0; pidE=0
15
16while :
17do
18    if [ $finA != 1 ]; then
19        finA=`ps -p $pidA >/dev/null 2>&1; echo $?`
20    elif [ $finA = 1 ];then
21        stsA=`cat ./jobA.sts`
22        if [ $stsA != 0 ];then
23            echo "jobA error!"
24            exit 1
25        fi
26    fi
27    if [ $finB != 1 ]; then
28        finB=`ps -p $pidB >/dev/null 2>&1; echo $?`
29    elif [ $finB = 1 ];then
30        stsB=`cat ./jobB.sts`
31        if [ $stsB != 0 ];then
32            echo "jobB error!"
33            exit 1
34        fi
35    fi
36    if [ $pidD = 0 ] && [ $stsA = 0 ] && [ $stsB = 0 ]; then
37        ./jobD &
38        pidD=$!
39    fi
40    if [ $finC != 1 ]; then
41        finC=`ps -p $pidC >/dev/null 2>&1; echo $?`
42    elif [ $finC = 1 ];then
43        stsC=`cat ./jobC.sts`
44        if [ $stsC != 0 ];then
45            echo "jobC error!"
46            exit 1
47        fi
48    fi
49    if [ $pidE = 0 ] && [ $stsB = 0 ] && [ $stsC = 0 ]; then
50        ./jobE &
51        pidE=$!
52    fi
53    # jobD, jobEを実行したらループを抜ける
54    if [ $pidD != 0 ] && [ $pidE != 0 ]; then
55        break
56    fi
57done
58
59wait $pidD
60if [ $? != 0 ]; then
61    echo "jobD error!"
62    exit 1
63fi
64wait $pidE
65if [ $? != 0 ]; then
66    echo "jobE error!"
67    exit 1
68fi
69
70exit 0