| John Criswell | 21eccb6 | 2004-08-02 22:28:50 +0000 | [diff] [blame] | 1 | # |
| 2 | # Usage: | ||||
| 3 | # prcontext <pattern> <# lines of context> | ||||
| 4 | # | ||||
| 5 | |||||
| 6 | import sys | ||||
| 7 | |||||
| 8 | # | ||||
| 9 | # Get the arguments | ||||
| 10 | # | ||||
| 11 | pattern=sys.argv[1] | ||||
| 12 | num=int(sys.argv[2]) | ||||
| 13 | |||||
| 14 | # | ||||
| 15 | # Get all of the lines in the file. | ||||
| 16 | # | ||||
| 17 | lines=sys.stdin.readlines() | ||||
| 18 | |||||
| 19 | index=0 | ||||
| 20 | for line in lines: | ||||
| 21 | if ((line.find(pattern)) != -1): | ||||
| 22 | if (index-num < 0): | ||||
| 23 | bottom=0 | ||||
| 24 | else: | ||||
| 25 | bottom=index-num | ||||
| 26 | for output in lines[bottom:index+num+1]: | ||||
| 27 | print output[:-1] | ||||
| 28 | index=index+1 | ||||
| 29 | |||||