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616.Text file parser -- How to delete from FILE A all lines that appear in file B?

User: editor -- 2010-09-20 << 615 617 >>

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Type: Text file parser

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Description:

How to delete from FILE A all lines that appear in file B?

Input Sample:

FILE A:
line1
line2
line3
line4
FILE B:
line2
line4
line6

Output Sample:

FILE A:
line1
line3

Answer:

Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.

Assume file B is in c:\test folder
1. ctrl-o open file A
2. ctrl-h open replace window:
* set 'replace unit' to 'Line'
* set 'if' to:

select 'advanced' tab
* set 'run following at the beginning of replace' to:

3. click 'Replace', done!
4. ctrl-s save A.txt

Screenshot 1: Replace_Window

Screenshot 2: Replace_Advanced_Window

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