Warning

This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.

Source code for galaxy.datatypes.util.generic_util

import subprocess


[docs]def count_special_lines(word, filename, invert=False): """ searching for special 'words' using the grep tool grep is used to speed up the searching and counting The number of hits is returned. """ try: cmd = ["grep", "-c", "-E"] if invert: cmd.append('-v') cmd.extend([word, filename]) out = subprocess.Popen(cmd, stdout=subprocess.PIPE) return int(out.communicate()[0].split()[0]) except: pass return 0