Emergency UNIX and Linux Support

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asdf
adf

asdf1
adf1
asdf2
adf2
asdf4
adf4
asdf5
adf5

#  while read a; do nawk -v a=$a '{print $0a}' file2; done < file1
asdf1
adf1
asdf2
adf2
asdf4
adf4
asdf5
adf5

nawk 'FNR==NR{f2[FNR]=$0;next}{for(i=1;i in f2;i++) print f2[i] $0}' file2 file1

use strict;
use warnings;

my @a = `cat file1 `;
my @b = `cat file2 `;

foreach my $c (@a )
{
    foreach my $d (@b)
    {
        chomp $c ;
        chomp $d ;
        print "${d}${c}\n";
    }
}

 
for i in `cat file1`
do
for j in `cat file2`
do
echo "$j$i"
done
done

while read i; do
  while read j; do
    echo "$j$i"
  done < file2
done < file1