复制代码 代码如下:
#diff.py
#!/bin/env python
import sys
if len(sys.argv) <> 3:
print \”Usage: \” + sys.argv[0] + \”file1 file2\”
sys.exit(-1)
file1 = sys.argv[1]
file2 = sys.argv[2]
list1 = {}
for line in open(file1):
list1[line.split()[0]] = 1
for line in open(file2):
key = line.split()[0]
if key not in list1:
sys.stdout.write(line)
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