Extract First Lines From a File is a wrapper for the UNIX head command, which can be used to select and print out to a file a designated number of lines from a text file.
Community Data > iplantcollaborative > example_data > extract_first_lines_from_a_file
Use SampleText.txt as test data.
When the app is run in the Discovery Environment, use the following parameters with the above input file(s) to get the output provided in the next section below.
Expect a text file as output named head_output.txt.