extract strip_quotes() to utils module

1 files changed, 12 insertions, 0 deletions

diff --git a/cmd2/utils.py b/cmd2/utils.py
index 33215dc0..6abab94c 100644
--- a/cmd2/utils.py
+++ b/cmd2/utils.py
@@ -11,3 +11,15 @@ def strip_ansi(text: str) -> str:
     :return: the same string with any ANSI escape codes removed
     """
     return constants.ANSI_ESCAPE_RE.sub('', text)
+
+def strip_quotes(arg: str) -> str:
+    """ Strip outer quotes from a string.
+
+     Applies to both single and double quotes.
+
+    :param arg:  string to strip outer quotes from
+    :return: same string with potentially outer quotes stripped
+    """
+    if len(arg) > 1 and arg[0] == arg[-1] and arg[0] in constants.QUOTES:
+        arg = arg[1:-1]
+    return arg