Add: unescape function

This will allow us to use \n in (selected) scenario step strings.

1 files changed, 11 insertions, 0 deletions

diff --git a/yarns/lib.py b/yarns/lib.py
index d5559b1..486757c 100644
--- a/yarns/lib.py
+++ b/yarns/lib.py
@@ -62,6 +62,17 @@ def wait_for_port(port):
         else:
             return
 
+def unescape(s):
+    t = ''
+    while s:
+        if s.startswith('\\n'):
+            t += '\n'
+            s = s[2:]
+        else:
+            t += s[0]
+            s = s[1:]
+    return t
+
 def write(filename, data):
     with open(filename, 'w') as f:
         f.write(data)