Reading lines from two files in one while loop

Question

I have a file, file1.csv containing:

This
is
some
text.

I am using while read line to cycle through each line, e.

Answer 1

You could try with the paste utility:

$ cat one
this
is
some
text
$ cat two
1
2
3
4
$ while read a b ; do echo $a -- $b ; done < <(paste one two)
this -- 1
is -- 2
some -- 3
text -- 4