What it does

This tool outputs specified number of lines from the beginning of a dataset

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Example

Selecting 2 lines from this:

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  +

will produce:

chr7  56632  56652  D17003_CTCF_R6  310  +
chr7  56736  56756  D17003_CTCF_R7  354  +