ref: 9a3e63e59d5e819b3c026fef48aa07081c35f6fd dir: /bin/paste/
#!/bin/awk -f FNR == NR{ s = $0 printf "%s", $0 for(i=2; i<ARGC; i++){ getline <ARGV[i] printf OFS "%s", $0 } printf "\n" }