Merged in jaingaurav2/pygments-main-898 (pull request #332)

Improvements to bash lexing of numbers with base syntax

2 files changed, 25 insertions, 1 deletions

diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
index b069b375..c07ff6ee 100644
--- a/pygments/lexers/shell.py
+++ b/pygments/lexers/shell.py
@@ -71,8 +71,8 @@ class BashLexer(RegexLexer):
             (r'&', Punctuation),
             (r'\|', Punctuation),
             (r'\s+', Text),
-            (r'[^=\s\[\]{}()$"\'`\\<&|;]+', Text),
             (r'\d+(?= |\Z)', Number),
+            (r'[^=\s\[\]{}()$"\'`\\<&|;]+', Text),
             (r'\$#?(\w+|.)', Name.Variable),
             (r'<', Text),
         ],
@@ -91,6 +91,8 @@ class BashLexer(RegexLexer):
         'math': [
             (r'\)\)', Keyword, '#pop'),
             (r'[-+*/%^|&]|\*\*|\|\|', Operator),
+            (r'\d+#\d+', Number),
+            (r'\d+#(?! )', Number),
             (r'\d+', Number),
             include('root'),
         ],
diff --git a/tests/examplefiles/example.sh b/tests/examplefiles/example.sh
new file mode 100644
index 00000000..2112cdd1
--- /dev/null
+++ b/tests/examplefiles/example.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+printf "%d %s\n" 10 "foo"
+printf "%d %s\n" $((10#1)) "bar"
+
+let "m = 10#${1:1:2}"
+echo $m
+
+m=$((10#${1:4:3} + 10#${1:1:3}))
+echo $m
+
+m=$((10#${1:4:3}))
+echo $m
+
+m=$((10#$1))
+echo $m
+
+m=$((10#1))
+echo $m
+
+m=$((10))
+echo $m