getopt documentation

1 files changed, 8 insertions, 4 deletions

diff --git a/it.class b/it.class
index 0092e86..3db36c1 100644
--- a/it.class
+++ b/it.class
@@ -401,15 +401,19 @@ function imageconvert($p)
 
 
 /**
- * Parse command line options with Usage given as template. Example:
+ * Parse command line options with Usage given as template and return assoc array. Example: (like grep --help)
  * Usage: myprogram.php [OPTIONS] PATTERN
  *  -s, --short      Use short ouput
  *  -f, --file=FILE  Use FILE for input
  *  -x EXTENSION     Ignore EXTENSION
- * Value always stored in long opt. Use double blank before explanation. Non-option text ignored.
- * Mandatory non-option arguments are stored under their lowercased name.
+ * Mandatory arguments from the Usage: line are returned under their (lowercased!) name.
+ * All non-option arguments are returned in 'args'
+ * Option text must be indented; if long and short option present, value is stored in long option
+ * Options without arguments store true or false under their key
+ * Options -h and --help will be handled internally by printing usage and exiting
+ * Two or more blanks must be in front of option explanation
  * @param $helplines Usage parsed to determine options
- * @return Associative array of opts: Boolean options are set to true, remaining args returned in 'args'
+ * @return Associative array of options
  */
 function getopt($helplines)
 {