#command cdx paste $TMP/aaa $TMP/bbb -D Numeric
#infile aaa
 CDX	one	two	three
111	222	333
11a	22b	33c
#infile bbb
 CDX	one	two	three
444	555	666
44d	55e	66f
#stdout
 CDX	one	two	three	one1	two1	three1
111	222	333	444	555	666
11a	22b	33c	44d	55e	66f