text - .txt delete lines containing -


there 2 text files: 1.txt , 2.txt. 1.txt contains urls separated line breaks , 2.txt contains words separated line breaks, 1 word per line. want delete urls 1.txt contain words 2.txt. convenient way that? example:

1.txt:

website1.com   website2word1.com   webword2site3.com

2.txt:

word1   word2

after processing, 1.txt should this: 

website1.com

the files quite large. first file contains million lines (that's after being split, there multiple files) , second 1 contains 10,000 lines.

you can write java program read url 1.txt , match 2.txt. , write url in 3.txt if matches requirement.


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