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December 19, 2015 23:59
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| import sys,mmap;a=sys.argv;c=1 | |
| with open(a[2],'rb') as f: | |
| m=mmap.mmap(f.fileno(),0,prot=1) | |
| r=m.find(a[1]) | |
| o=len(m.read(r).split('\n')) if r>=0 else 0 | |
| print o |
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