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edited Apr 13, 2017 at 12:39

1

CMD, 21, by unclemeat CMD, 21, by unclemeat

set /a!!"echo>>tfile"

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

I'm not too sure how set /a works, but when I evaluate set /a "tfile", it returns 0. Not sure if all strings evaluates to 0, but in this case, we end up evaluating (!!0) >> 0, which is 0.

CMD, 21, by unclemeat

set /a!!"echo>>tfile"

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

I'm not too sure how set /a works, but when I evaluate set /a "tfile", it returns 0. Not sure if all strings evaluates to 0, but in this case, we end up evaluating (!!0) >> 0, which is 0.

CMD, 21, by unclemeat

set /a!!"echo>>tfile"

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

I'm not too sure how set /a works, but when I evaluate set /a "tfile", it returns 0. Not sure if all strings evaluates to 0, but in this case, we end up evaluating (!!0) >> 0, which is 0.

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edited Jan 14, 2015 at 2:43

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CMD, 21, by unclemeat

set /a!!"echo>>tfile"

I don't really know what is going on, though. Feel free to edit in a short explanation.

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

I'm not too sure how set /a works, but when I evaluate set /a "tfile", it returns 0. Not sure if all strings evaluates to 0, but in this case, we end up evaluating (!!0) >> 0, which is 0.

CMD, 21, by unclemeat

set /a!!"echo>>tfile"

I don't really know what is going on, though. Feel free to edit in a short explanation.

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

CMD, 21, by unclemeat

set /a!!"echo>>tfile"

Repeating the set /a trick and ! operator is reducing the search space for otherwise a tough nut to crack.

I'm not too sure how set /a works, but when I evaluate set /a "tfile", it returns 0. Not sure if all strings evaluates to 0, but in this case, we end up evaluating (!!0) >> 0, which is 0.