title: adding columns from one file after a column in a second file while considering the two files have different number of columns
body: <p>File 1</p>
  <pre><code>001 00A 892 J27
  002 00G 742 M65
  003 00B 934 B32
  004 00J 876 K57
  005 00k 543 N21
  </code></pre>
  <p>File 2 has 1,628,433 columns but, would like to add all four columns from file 1 after column one in this file.</p>
  <pre><code>a 2 T ..........
  b 3 C ..........
  c 4 G ..........
  d 5 A ..........
  e 6 B ..........
  </code></pre>
  <p>Desired output</p>
  <pre><code>a 001 00A 892 J27 2 T ..........
  b 002 00G 742 M65 3 C ..........
  c 003 00B 934 B32 4 G ..........
  d 004 00J 876 K57 5 A ..........
  e 005 00k 543 N21 6 B ..........
  </code></pre>
  <p>Tried the following</p>
  <pre><code>awk 'NR==FNR{a[FNR]=$1,$2,$3,$4} {print $1,a[FNR],$5}' file2 file1
  </code></pre>