of a file remove_ending.sh $num_lines $input $out_file1

**What it does** This tool removes specified number of lines from the ending of a dataset ----- **Example** Input File:: chr7 56632 56652 D17003_CTCF_R6 310 + chr7 56736 56756 D17003_CTCF_R7 354 + chr7 56761 56781 D17003_CTCF_R4 220 + chr7 56772 56792 D17003_CTCF_R7 372 + chr7 56775 56795 D17003_CTCF_R4 207 + After removing the last 2 lines the dataset will look like this:: chr7 56632 56652 D17003_CTCF_R6 310 + chr7 56736 56756 D17003_CTCF_R7 354 + chr7 56761 56781 D17003_CTCF_R4 220 +