http://www.perlmonks.org?node_id=548184

azaria has asked for the wisdom of the Perl Monks concerning the following question:

Hello,
I would like to read in parallel several files and to generate a file which each line is a result of a line conctanation of each one of the files. Lets say:
file A:
111
222
333
...

file B:
AAA
BBB
CCC
...

file C:
aaa
bbb
ccc
...
Then the output file , will contain:
111AAAaaa
222BBBbbb
333CCCccc
Please advice how can i do it shortly ?

Thanks azaria