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soralley
V2EX  ›  问与答

awk 算术比较的问题

  •  
  •   soralley · 2014-04-16 09:35:15 +08:00 · 2405 次点击
    这是一个创建于 3892 天前的主题,其中的信息可能已经有所发展或是发生改变。
    这个问题怎么破,算术比较没成功
    soralley@vm-2:~$ cat datafile
    northwest NW Joel Craig 3.0 .98 3 4
    western WE Sharon Kelly 5.3 .97 5 23
    southwest SW Chris Foster 2.7 .8 2 18
    southern SO May Chin 5.1 .95 4 15
    southeast SE Derek Johnson 4.0 .7 4 17
    eastern EA Susan Beal 4.4 .84 5 20
    northeast NE TJ Nichols 5.1 .94 3 13
    north NO Val Shultz 4.5 .89 5 9
    central CT Sheri Watson 5.7 .94 5 13

    soralley@vm-2:~$ awk '$8 > 10{print $0}' datafile
    northwest NW Joel Craig 3.0 .98 3 4
    western WE Sharon Kelly 5.3 .97 5 23
    southwest SW Chris Foster 2.7 .8 2 18
    southern SO May Chin 5.1 .95 4 15
    southeast SE Derek Johnson 4.0 .7 4 17
    eastern EA Susan Beal 4.4 .84 5 20
    northeast NE TJ Nichols 5.1 .94 3 13
    north NO Val Shultz 4.5 .89 5 9
    central CT Sheri Watson 5.7 .94 5 13
    1 条回复
    merlin852
        1
    merlin852  
       2014-04-16 10:44:17 +08:00
    #echo "northwest NW Joel Craig 3.0 .98 3 4"|awk '$8 > 3{print $0}'
    northwest NW Joel Craig 3.0 .98 3 4
    # echo "northwest NW Joel Craig 3.0 .98 3 4"|awk '$8 > 10{print $0}'
    #echo "northwest NW Joel Craig 3.0 .98 3 23"|awk '$8 > 10{print $0}'
    northwest NW Joel Craig 3.0 .98 3 23
    # awk --version
    GNU Awk 3.1.7
    我试了下,没问题,应该是你文件问题,cat -A datafile 看看
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