Revision 1127
Added by Aaron Marcuse-Kubitza almost 13 years ago
| union | ||
|---|---|---|
| 16 | 16 |
|
| 17 | 17 |
def main(): |
| 18 | 18 |
ignore = opts.env_flag('ignore')
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| 19 |
header_num = int(opts.get_env_var('header_num', 0))
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|
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# selects which map's header to use as the output header |
|
| 19 | 21 |
try: _prog_name, map_1_path = sys.argv |
| 20 | 22 |
except ValueError: |
| 21 |
raise SystemExit('Usage: env [ignore=1] '+sys.argv[0]
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|
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raise SystemExit('Usage: env [ignore=1] [header_num={0|1}] '+sys.argv[0]
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|
| 22 | 24 |
+' <map_0 map_1 [| '+sys.argv[0]+' map_2]... >union_map') |
| 23 | 25 |
|
| 24 | 26 |
headers = [None]*2 |
| ... | ... | |
| 39 | 41 |
|
| 40 | 42 |
# Pass through map 0, storing which inputs it defines |
| 41 | 43 |
writer = csv.writer(sys.stdout) |
| 42 |
writer.writerow(headers[0])
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|
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writer.writerow(headers[header_num])
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|
| 43 | 45 |
inputs = set() |
| 44 | 46 |
for row in map_0_reader: |
| 45 | 47 |
if row[0] != '': inputs.add(row[0]) |
Also available in: Unified diff
union: Added header_num option to select which map's header to use as the output header