Bah, I botched the code portion, start with this code please 
#!/usr/bin/perl --
## by us
## perltidy -olq  -csc -csci=10 -cscl="sub : BEGIN END if " -otr -opr 
+-ce -nibc -i=4 -pt=0   "-nsak=*"
#!/usr/bin/perl --
use strict; use warnings;
use Data::Dump qw/ dd /;
Main( @ARGV );
exit( 0 );
sub Main {
    UsedToBeJustDoWork();
}
sub UsedToBeJustDoWork {
    my $full_data = [
      ["M11", 0.1, 10, 24, 56, 77, 98, 72],
      ["M12", 0.3, 13, 44, 23, 45, 56, 11],
      ["M13", 0.4, 54, 23, 11, 25, 67, 91],
    ];
        
    my $d_h = [
      [ 24, 56, 77, 98, 72],
      [ 44, 23, 45, 56, 11],
      [ 23, 11, 25, 67, 91],
    ];
    
## I don't know what you want here
## write it out as if using pencil and paper
## name the vars what you want
## make the program runnable ... like this
    my $these_first_row_avg  = $$d_h[0][0] + $$d_h[0][1] + $$d_h[0][2]
+ + $$d_h[0][3] + $$d_h[0][4] / 4;
    my $these_second_row_avg = $$d_h[1][0] + $$d_h[1][1] + $$d_h[1][2]
+ + $$d_h[1][3] + $$d_h[1][4] / 4;
    my $these_third_row_avg  = $$d_h[2][0] + $$d_h[2][1] + $$d_h[2][2]
+ + $$d_h[2][3] + $$d_h[2][4] / 4;
    
## you want these??
    my $these_column_d_avg = $$d_h[0][0] + $$d_h[1][0] + $$d_h[2][0] /
+ 3;
    my $these_column_e_avg = $$d_h[0][1] + $$d_h[1][1] + $$d_h[2][1] /
+ 3;
    my $these_column_f_avg = $$d_h[0][2] + $$d_h[1][2] + $$d_h[2][2] /
+ 3;
    my $these_column_g_avg = $$d_h[0][3] + $$d_h[1][3] + $$d_h[2][3] /
+ 3;
    my $these_column_h_avg = $$d_h[0][4] + $$d_h[1][4] + $$d_h[2][4] /
+ 3;
    
## these are for your final data structure
## what do you want to have here
    my $these_first  = [ $these_first_row_avg ];
    my $these_second = [ $these_second_row_avg ];
    my $these_third  = [ $these_third_row_avg ];
    
    my $final_output_wanted = [
        $these_first,
        $these_second,
        $these_third,
    ];
    dd( $final_output_wanted );
} ## end sub UsedToBeJustDoWork

[download]

In reply to Re^12: How to store the output from foreach loop into variable/array without printing? by Anonymous Monk
in thread How to store the output from foreach loop into variable/array without printing? by hellohello1

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