New python script that print a specified number of lines surrounding a

located pattern.
In other words, grep -C for Solaris.

llvm-svn: 15425

1 files changed, 29 insertions, 0 deletions

diff --git a/llvm/test/Scripts/prcontext.py b/llvm/test/Scripts/prcontext.py
new file mode 100755
index 00000000000..b91f618c57b
--- /dev/null
+++ b/llvm/test/Scripts/prcontext.py
@@ -0,0 +1,29 @@
+#
+# Usage:
+# prcontext <pattern> <# lines of context>
+#
+
+import sys
+
+#
+# Get the arguments
+#
+pattern=sys.argv[1]
+num=int(sys.argv[2])
+
+#
+# Get all of the lines in the file.
+#
+lines=sys.stdin.readlines()
+
+index=0
+for line in lines:
+  if ((line.find(pattern)) != -1):
+    if (index-num < 0):
+      bottom=0
+    else:
+      bottom=index-num
+    for output in lines[bottom:index+num+1]:
+      print output[:-1]
+  index=index+1
+