add a shell-pipe command

1 files changed, 1 insertions, 1 deletions

diff --git a/lexer.py b/lexer.py
index 0d9ed87..976bce8 100644
--- a/lexer.py
+++ b/lexer.py
@@ -9,7 +9,7 @@ OPEN_BRACE = "["
 CLOSE_BRACE = "]"
 DIGITS = "0123456789"
 LETTERS = "abcdefghijklmnopqrstuvwxyz"
-PUNCTUATION = "-_!*$@%^&=+/?<>~"
+PUNCTUATION = "|-_!*$@%^&=+/?<>~"
 SYMBOL_VALS = list(LETTERS + LETTERS.upper() + DIGITS + PUNCTUATION)