1 求总分并且输出： 2 文件a.txt 3 学号 姓名 性别 年龄 4 1001 张三 男 18 5 1002 赵四 男 19 6 1003 李丽 女 18 7 文件b.txt 8 学号 语文 数学 英语 9 1001 80 70 98 10 1002 78 80 70 11 1003 72 80 89 12 13 14 方法1： 15 #!/bin/sh 16 paste a.txt b.txt ccc.txt 17 cat ccc.txt |awk 'NR==1{ printf "%10s %10s %10s %10s %10s %10s %10s ",$1,$2,$3,$6,$7,$8,"总分"}NR>=2{{zongfen=$6+$7+$8}{printf "%10s %10s %10s %10s %10s %10s %10s ",$1,$2,$3,$6,$7,$8,zongfen}}' 18 19 方法2： 20 #!/bin/sh 21 for i in `cat aa.txt |awk '{ print $1}'` 22 do 23 a=`grep $i aa.txt |awk '{print $1}'` 24 b=`grep $i aa.txt |awk '{print $2}'` 25 c=`grep $i aa.txt |awk '{print $3}'` 26 d=`grep $i aa.txt |awk '{print $4}'` 27 e=`grep $i bb.txt |awk '{print $2}'` 28 f=`grep $i bb.txt |awk '{print $3}'` 29 g=`grep $i bb.txt |awk '{print $4}'` 30 if [ $a != "学号" ] 31 then 32 sum=`grep $i bb.txt |awk '{$5=$2+$3+$4;print $5 }'` 33 echo $a" " $b" " $c" " $d" " "$e " "$f " $g" " $sum" " 34 else 35 echo $a" " $b" " $c" " $d" " $e" " $f" " $g" " "总分"" " 36 fi 37 done 38