Modified README and sher.py help

- fixed typo in help
- improved help descriptions
- Added entry for sher.py in README

README.md

@@ -42,4 +42,22 @@ Options:
   -l, --loop            Continuing download loop. When this option is set
                         every 5 Minutes the program searches for
                         new images
-```
+```
+
+## sher.py
+Searches for string occurences in a file (line by line) or directory
+(all directory and filenames in the tree).
+
+```commandline
+Usage: sher.py [options]
+
+Options:
+  -h, --help            show this help message and exit
+  -f S_FILE, --file=S_FILE
+                        Searching lines in the given file.
+  -d S_DIR, --directory=S_DIR
+                        Searching files in a directory.
+  -q QUERY, --query=QUERY
+                        The search term. Supporting "".
+  -l, --loop            Runs the program in an endless loop.
+ ```

sher.py

@@ -9,9 +9,10 @@ sources = {}
 def optparse_init() -> tuple:
     parser = optparse.OptionParser()
     parser.add_option('-f', '--file', type='string', dest='s_file', help='Searching lines in the given file.')
-    parser.add_option('-d', '--directory', type='string', dest='s_dir', help='Searching files in a directorys.')
-    parser.add_option('-q', '--query', type='string', dest='query', help='The search term.')
-    parser.add_option('-l', '--loop', action='store_true', default=False, dest='loop', help='Looping over the input?')
+    parser.add_option('-d', '--directory', type='string', dest='s_dir', help='Searching files in a directory.')
+    parser.add_option('-q', '--query', type='string', dest='query', help='The search term. Supporting "".')
+    parser.add_option('-l', '--loop', action='store_true', default=False, dest='loop', help="""Runs the program in
+    an endless loop.""")
     return parser.parse_args()