# paste(1) ``` # Concatenate input files linewise and join them by a TAB char. paste FILE [FILE] -d CHAR delimiter to join each line ``` # Examples ```sh # Read two files. paste <(echo -e 'a1\na2') <(echo -e 'b1\nb2') a1 b1 a2 b2 # Can read from stdin. echo -e 'a1 a2\nb1 b2\nc1 c2\nd1 d2' | paste - - # a1 a2 b1 b2 # c1 c2 d1 d2 ```