Add getpid.py.

getpid.py

@@ -0,0 +1,43 @@
+'''
+getpid
+======
+
+Get PIDs for running processes that match the given process name.
+
+Error level will be 0 if any processes are found, 1 if none are found.
+
+> getpid process_name
+
+Examples:
+> getpid python.exe
+> getpid chrome.exe
+'''
+import argparse
+import psutil
+import sys
+
+from voussoirkit import betterhelp
+from voussoirkit import vlogging
+
+log = vlogging.getLogger(__name__, 'getpid')
+
+def getpid_argparse(args):
+    status = 1
+    target = args.process_name.lower()
+    for process in psutil.process_iter():
+        if process.name().lower() == target:
+            print(process.pid)
+            status = 0
+    return status
+
+@vlogging.main_decorator
+def main(argv):
+    parser = argparse.ArgumentParser(description=__doc__)
+
+    parser.add_argument('process_name')
+    parser.set_defaults(func=getpid_argparse)
+
+    return betterhelp.single_main(argv, parser, __doc__)
+
+if __name__ == '__main__':
+    raise SystemExit(main(sys.argv[1:]))