If you have an array in Perl with values and want to check what the percentages of them you could use this little function:
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#!/usr/bin/perl use strict; #example data my @arr = (3,5,7,8,0,20,2,1,-1); #test sub print percentage(@arr); # calculate percentage sub percentage { my @arr = @_; my $out = ""; @arr = sort { $b <=> $a } @arr; my $max_value=$arr[0]; for my $i (0..$#arr){ $out .= $arr[$i]; $out .= " = ".sprintf("%.2f",(($arr[$i]/$max_value)*100))."%".$/; } return($out); } |
result looks like this:
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20 = 100.00% 8 = 40.00% 7 = 35.00% 5 = 25.00% 3 = 15.00% 2 = 10.00% 1 = 5.00% 0 = 0.00% -1 = -5.00% |
To make a table to compare all together:
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#!/usr/bin/perl use strict; #example data my @arr = (3,5,7,8,0,20,2,1,-1); #test sub print percentage(@arr); # calculate percentage sub percentage { my @arr = @_; my $space = 10; my $out = len_format("Percent",$space); @arr = sort { $b <=> $a } @arr; for my $x (0..$#arr){$out .= len_format($arr[$x],$space);} $out .= $/; for my $i (0..$#arr){ $out .= len_format($arr[$i],$space); for my $x (0..$#arr){ if($arr[$x] != 0 && $arr[$i] != 0){ $out .= len_format(sprintf("%.2f",(($arr[$x]/$arr[$i])*100))."%",$space); }else{ $out .= len_format("?%",$space); } } $out .= $/; } return($out); } #format strings sub len_format{ my $str = shift; my $len = shift; return((" "x($len-length($str))).$str); } |
For the format subs look at Perl format string to the same size.
result looks like this:
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Percent 20 8 7 5 3 2 1 0 -1 20 100.00% 40.00% 35.00% 25.00% 15.00% 10.00% 5.00% ?% -5.00% 8 250.00% 100.00% 87.50% 62.50% 37.50% 25.00% 12.50% ?% -12.50% 7 285.71% 114.29% 100.00% 71.43% 42.86% 28.57% 14.29% ?% -14.29% 5 400.00% 160.00% 140.00% 100.00% 60.00% 40.00% 20.00% ?% -20.00% 3 666.67% 266.67% 233.33% 166.67% 100.00% 66.67% 33.33% ?% -33.33% 2 1000.00% 400.00% 350.00% 250.00% 150.00% 100.00% 50.00% ?% -50.00% 1 2000.00% 800.00% 700.00% 500.00% 300.00% 200.00% 100.00% ?% -100.00% 0 ?% ?% ?% ?% ?% ?% ?% ?% ?% -1 -2000.00% -800.00% -700.00% -500.00% -300.00% -200.00% -100.00% ?% 100.00% |
If you want some colours see this:
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use strict; #example data my @arr = (3,5,7,8,0,20,2,1,-1); #test sub print percentage(@arr); # calculate percentage sub percentage { my @arr = @_; my $space = 10; my $out = len_format("Percent",$space); @arr = sort { $b <=> $a } @arr; for my $x (0..$#arr){$out .= "e[33m".len_format($arr[$x],$space)."e[37m";} $out .= $/; for my $i (0..$#arr){ $out .= "e[33m".len_format($arr[$i],$space)."e[37m"; for my $x (0..$#arr){ $out .= "e[36m" if($i%2 == 0); if($arr[$x] != 0 && $arr[$i] != 0){ $out .= len_format(sprintf("%.2f",(($arr[$x]/$arr[$i])*100))."%",$space); }else{ $out .= len_format("?%",$space); } $out .= "e[37m"; } $out .= $/; } return($out); } #format strings sub len_format{ my $str = shift; my $len = shift; return((" "x($len-length($str))).$str); } |
And now we have the result with colours:
For more infos about colours see at Perl Terminal Colours.
And now we use Perl Formater for Terminal and HTML to make this table:
| Percent | 20 | 8 | 7 | 5 | 3 | 2 | 1 | 0 | -1 |
|---|---|---|---|---|---|---|---|---|---|
| 20 | 100.00% | 40.00% | 35.00% | 25.00% | 15.00% | 10.00% | 5.00% | ?% | -5.00% |
| 8 | 250.00% | 100.00% | 87.50% | 62.50% | 37.50% | 25.00% | 12.50% | ?% | -12.50% |
| 7 | 285.71% | 114.29% | 100.00% | 71.43% | 42.86% | 28.57% | 14.29% | ?% | -14.29% |
| 5 | 400.00% | 160.00% | 140.00% | 100.00% | 60.00% | 40.00% | 20.00% | ?% | -20.00% |
| 3 | 666.67% | 266.67% | 233.33% | 166.67% | 100.00% | 66.67% | 33.33% | ?% | -33.33% |
| 2 | 1000.00% | 400.00% | 350.00% | 250.00% | 150.00% | 100.00% | 50.00% | ?% | -50.00% |
| 1 | 2000.00% | 800.00% | 700.00% | 500.00% | 300.00% | 200.00% | 100.00% | ?% | -100.00% |
| 0 | ?% | ?% | ?% | ?% | ?% | ?% | ?% | ?% | ?% |
| -1 | -2000.00% | -800.00% | -700.00% | -500.00% | -300.00% | -200.00% | -100.00% | ?% | 100.00% |
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