llvm-6502/test/Scripts/prcontext.py
John Criswell 21eccb6563 New python script that print a specified number of lines surrounding a
located pattern.
In other words, grep -C for Solaris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15425 91177308-0d34-0410-b5e6-96231b3b80d8
2004-08-02 22:28:50 +00:00

30 lines
424 B
Python
Executable File

#
# 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