Add -h, --version, and --help options.

log_happy.nim

@@ -35,7 +35,7 @@ when isMainModule:
   var outFile: File
 
   try:
-    let VERSION = "0.1.0"
+    let VERSION = "0.2.0"
     let usage = """
 Usage:
   log_happy [options]
@@ -44,7 +44,8 @@ Usage:
 
 Options:
 
-  -v                        Print version information and exit.
+  -h --help                 Print this usage information and exit.
+  -v --version              Print version information and exit.
   -e<label>;<pattern>       Add something to expect to see in the log stream.
   -E<label>;<patterh>       Add something to expect not to see in the log stream.
   -d<def-file>              Read expectations from a JSON definitions file.
@@ -136,10 +137,14 @@ Expectations JSON definitions follow this format:
           expected: m[0] == "e",
           found: false))
 
-      elif arg == "-v":
+      elif arg == "-v" or arg == "--version":
         stdout.writeLine "log_happy v" & VERSION
         quit(QuitSuccess)
 
+      elif arg == "-h" or arg == "--help":
+        stdout.writeLine usage
+        quit(QuitSuccess)
+
       elif arg == "-f": follow = true
       elif arg == "--": cmd = ""
       else: exitErr "unrecognized argument: " & arg

log_happy.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.1.0"
+version       = "0.2.0"
 author        = "Jonathan Bernard"
 description   = "Scan logs for regex-defined events and report on what was found."
 license       = "MIT"