Your last example works for me, that's how chomp should be used. The output:
col2fd1fd2fd3fd4

[download]
Notice there is no newline at the end. The output might be buffered, i.e. it will not be shown before you print a newline or finish the script.

In reply to Re: Chomp is removing the whole word instead of the newline by choroba
in thread Chomp is removing the whole word instead of the newline by slayedbylucifer

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