Improve number highlighting in bash.

Fixes #1244

2 files changed, 33 insertions, 1 deletions

diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
index c2f54fc2..b9368ade 100644
--- a/pygments/lexers/shell.py
+++ b/pygments/lexers/shell.py
@@ -83,7 +83,7 @@ class BashLexer(RegexLexer):
             (r'&', Punctuation),
             (r'\|', Punctuation),
             (r'\s+', Text),
-            (r'\d+(?= |\Z)', Number),
+            (r'\d+\b', Number),
             (r'[^=\s\[\]{}()$"\'`\\<&|;]+', Text),
             (r'<', Text),
         ],
diff --git a/tests/test_shell.py b/tests/test_shell.py
index 4eb5a15a..76065caa 100644
--- a/tests/test_shell.py
+++ b/tests/test_shell.py
@@ -87,3 +87,35 @@ class BashTest(unittest.TestCase):
             (Token.Text, u'\n'),
         ]
         self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+
+    def testArrayNums(self):
+        fragment = u'a=(1 2 3)\n'
+        tokens = [
+            (Token.Name.Variable, u'a'),
+            (Token.Operator, u'='),
+            (Token.Operator, u'('),
+            (Token.Literal.Number, u'1'),
+            (Token.Text, u' '),
+            (Token.Literal.Number, u'2'),
+            (Token.Text, u' '),
+            (Token.Literal.Number, u'3'),
+            (Token.Operator, u')'),
+            (Token.Text, u'\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+
+    def testEndOfLineNums(self):
+        fragment = u'a=1\nb=2 # comment\n'
+        tokens = [
+            (Token.Name.Variable, u'a'),
+            (Token.Operator, u'='),
+            (Token.Literal.Number, u'1'),
+            (Token.Text, u'\n'),
+            (Token.Name.Variable, u'b'),
+            (Token.Operator, u'='),
+            (Token.Literal.Number, u'2'),
+            (Token.Text, u' '),
+            (Token.Comment.Single, u'# comment\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+