UNIX for Dummies Questions & Answers

4.21927E+00	4.68257E+00	5.56871E+00	3.59490E+01	7.65806E+01	1.39827E+02

5.61142E+00	6.21648E+00	7.40152E+00	4.41917E+01	8.31586E+01	1.42938E+02

paste -d+ <(
  tr '\t' '\n' <file1
  ) <(
        tr '\t' '\n'<file2
        ) | 
          bc | 
            paste >file3 -s

awk >file3 'getline f2 < "file2" {
  split(f2, t); for (i=0; ++i<=NF;)
    printf "%E%s", $i + t[i], (i == NF ? RS : FS)
	}' file1

perl -lane 'for (0..$#F) { $ARGV eq 'file1' ? $_{$_} = $F[$_] : print $_{$_} + $F[$_]}' file1 file2

awk '{for (i=1;i<=NF;i++) a[i]+=$i} END {for (j=1;j<=length(a);j++) printf "%E ", a[j]}' file1 file2

 perl -e 'open(FILE1,"<file1");open(FILE2,"<file2");while(($line1=<FILE1>)&&($line2=<FILE2>)){@num1=split(/\s+/,$line1);@num2=split(/\s+/,$line2);foreach (0..$#num1){print $num1[$_]+$num2[$_];print "\n";}}close(FILE1);close(FILE2);'

perl -lane'
  @ARGV?push@f,[@F]:(print join"\t",map{sprintf"%E",$f[$c]->[$_]+$F[$_]}0..$#F and$c++)
  ' file1 file2