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回复 2# zxy877298415
# ༺ ༻ # ➜ history | grep 'sum+='
15540 2018-03-17 19:03 awk '{sum+=$2;print $2}' txt.1
15541 2018-03-17 19:03 awk '{sum+=$2;print $sum}' txt.1
15542 2018-03-17 19:03 awk '{sum+=$2;print sum}' txt.1
15543 2018-03-17 19:04 awk '{sum+=$i;print $i}' txt.1
15544 2018-03-17 19:05 awk '{for(1=1;i<=NF;i++){sum+=$i;print $i}}' txt.1
15545 2018-03-17 19:05 awk '{sum+=$2;print sum}' txt.1
15670 2018-03-17 21:22 echo "1 2 3 4 5" | awk '{for(i=1;i<=NF;i++) sum+=$i} END{print "sum="sum}'
15671 2018-03-17 21:22 awk '{for(i=1;i<=NF;i++) sum+=$i} END{print "sum="sum}' suo.m
15672 2018-03-17 21:23 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print "sum="sum}' suo.m
15674 2018-03-18 07:02 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print "sum="sum}' suo.m
15685 2018-03-18 07:10 echo "1 2 3 4 5" | awk '{for(i=1;i<=NF;i++) sum+=$i} END{print "sum="sum}'
15686 2018-03-18 07:10 echo "1 2 3 4 5" | awk '{for(i=2;i<=NF;i++) sum+=$i} END{print "sum="sum}'
15687 2018-03-18 07:10 echo "1 2 3 4 5" | awk '{for(i=2;i<=NF;i++) sum+=$i} END{print $1,"sum="sum}'
15688 2018-03-18 07:11 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print $1,"sum="sum}' suo.m
15689 2018-03-18 07:13 awk '{for(i=2;i<=3;i++) sum+=$i} END{print $1,"sum="sum}' suo.m
15690 2018-03-18 07:13 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print $1,"sum="sum}' suo.m
15708 2018-03-18 07:26 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print $1,"sum="sum}' suo.m
15709 2018-03-18 07:26 awk '{for(i=2;i<=NF;i++) sum+=$i} END{printf $1,"sum="sum}' suo.m
15710 2018-03-18 07:26 awk '{for(i=2;i<=NF;i++) sum+=$i} END{printf "sum="sum}' suo.m
15711 2018-03-18 07:26 awk '{for(i=2;i<=NF;i++) sum+=$i} END{printt "sum="sum}' suo.m
15712 2018-03-18 07:26 awk '{for(i=2;i<=NF;i++) sum+=$i} END{print "sum="sum}' suo.m
15713 2018-03-18 07:29 awk '{for(i=2;i<=NF;i++)a[$1]=NR;sum+=$i} END{print $1,"sum="sum}' suo.m
15737 2018-03-18 08:16 awk '{ for(i=2;i<=NF;i++) sum+=$i; for (i in a) print $1, sum}' suo.m
15738 2018-03-18 08:17 awk '{ for(i=2;i<=NF;i++) sum+=$i; for (i in a) print $1, i, a, sum}' suo.m
15805 2018-03-18 11:12 awk '{for(i=2;i<=NF;i++) sum+=$i;print $1,sum;sum=0}' suo.m
# [ /home/soio/1bs/awks ] {2018-03-18 11:13:58} : 1521342838:0;
# ༺ ༻ # ➜ awk '{ for(i=2;i<=NF;i++) sum+=$i; for (i in a) print $1, sum}' suo.m
# [ /home/soio/1bs/awks ] {2018-03-18 11:15:42} : 1521342942:0;
# ༺ ༻ # ➜ awk '{ for(i=2;i<=NF;i++) sum+=$i; print $1, sum}' suo.m
a1 12
b2 42
c3 60
# [ /home/soio/1bs/awks ] {2018-03-18 11:15:58} : 1521342958:0;
# ༺ ༻ # ➜ awk '{ for(i=2;i<=NF;i++) sum+=$i; print $1, sum;sum=0}' suo.m
a1 12
b2 30
c3 18
############
sum=0 #非常金典 ## 否则 b2 累加到42 ;c3 累加到 60
my # for (i in a) ## 熟是多此一举 |
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