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如何在 perl 中打印输出的最后一个值?

我写了一个脚本,这是第一次按我的意愿工作:PI 将在下面提供我的脚本。我唯一想做但没有成功的事情就是只打印输出的最后一个值。

use strict;
use warnings;
use feature 'say';

my $filename = '/home/Desktop/my_scripts/coordinates_based';

my $p;
my $i;
my $mikos = 0;
my $sum = 0;
my $count = 1;
my $mikos_thetika = 0;
my $mikos_arnitika = 0;
my $k = 1;
my @table = ();
my $final = 0;
my $neg = 0;
my $pos = 0;
my $size;
my $last_value = 0;

open(FH, '<', $filename) or die $!;

while (<FH>) {

    my ($n, $p, $a, $b) = split '\s+'; …
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perl

1
推荐指数
1
解决办法
244
查看次数

除了第一列之外,如何在整个文本中使用“grep -v”或类似的东西?

我正在尝试操作一个文件,可以说:

76ers23 Philadelphia 76ers announced today that
76ers24 Lakers announced today 
76ers25 blazers  plays today 
76ers26 celics announced today that
76ers27 Bonston has Day off
76ers28 Philadelphia 76ers announced today that
76ers29 the blazzers announced today that
76ers30 76ers Training day
76ers31 Philadelphia 76ers has a day off  today 
76ers32 Philadelphia 76ers  humiliate Lakers 
76ers33 celics announced today that
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我想从第二列中删除包含术语 76ers 的所有条目,以获得:

 76ers24    Lakers announced today 
 76ers25    blazers  plays today 
 76ers26    celics announced today that
 76ers27    Bonston has Day off …
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linux bash command-line grep

1
推荐指数
1
解决办法
206
查看次数

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bash ×1

command-line ×1

grep ×1

linux ×1

perl ×1