Revision 4:79ef88975054 python-intro.py
| python-intro.py | ||
|---|---|---|
| 1 |
def is_data(line): |
|
| 2 |
""" Returns true if the line has data |
|
| 3 |
and false otherwise (header, comments, etc)""" |
|
| 4 |
|
|
| 5 |
if line.startswith('#'):
|
|
| 6 |
# skip comments |
|
| 7 |
return False |
|
| 8 |
elif line.startswith('D'):
|
|
| 9 |
# skip title row |
|
| 10 |
return False |
|
| 11 |
else: |
|
| 12 |
return True |
|
| 13 |
|
|
| 14 |
# script starts here... |
|
| 1 | 15 |
source = open('data.txt', 'r')
|
| 2 | 16 |
|
| 3 | 17 |
number = 0 |
| 4 | 18 |
|
| 5 | 19 |
# count number of data records |
| 6 | 20 |
for line in source: |
| 7 |
if line.startswith('#'):
|
|
| 8 |
# skip comments |
|
| 9 |
pass |
|
| 10 |
elif line.startswith('D'):
|
|
| 11 |
# skip title row |
|
| 12 |
pass |
|
| 13 |
else: |
|
| 21 |
if is_data(line) == True: |
|
| 14 | 22 |
number = number + 1 |
| 15 | 23 |
|
| 16 | 24 |
source.close() |
Also available in: Unified diff