Batch: Parse a multiline string

Question

I need a simple batch script which parses this string and get the filename from it:

OTR-Tool, v1.1.0
&FN=Filename.avi
&FH=EAA7508AAAD86AA4D8FAAE404BAFFA8729AA9C80AA4C8CBA
&OH=7FA2FAB108329105401003EAE224721BAFFA962E98F72750
&Sw=FALSE
&SZ=1198525032
&H=426060A8B8829808B8EAB802B0926082

I tried this:

for /f "tokens=1,2 delims==" %%A in ('%~dp0otrtool\otrtool.exe %1') do if "%%A"=="&FN" set FN=%%B

But this doesn't work. I just get the entire output. Quick help somebody?

upd I tried also to execute just the following

otrtool.exe filename.key | find "&FN"

but I get the entire ouput again.

the file name is the first line?What's the final value of FN? — npocmaka
– npocmaka, Commented Sep 24, 2014 at 18:51
I can't do it for some reason. otrtool.exe > test.txt should output the usage information of this program into the file. Though the file is created, its size is 0 bytes and the output of the executable goes to the console. — Danny Lo
– Danny Lo, Commented Sep 24, 2014 at 19:04
most probably it outputs to stderr.Try with otrtool.exe > test.txt 2>&1 — npocmaka
– npocmaka, Commented Sep 24, 2014 at 19:08

npocmaka · Accepted Answer · 2014-09-24 19:11:52Z

3

for /f "tokens=1,2 delims==" %%A in ('%~dp0otrtool\otrtool.exe %1 2^>^&1') do if "%%A"=="&FN" set FN=%%B

try like that.

answered Sep 24, 2014 at 19:11

npocmaka

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2 Comments

Danny Lo Over a year ago

Thanks for the workaround. I should probably contact the developer or even try to fix the code by myself since I have the sources.

Danny Lo Over a year ago

Or maybe just leave it as it is :) It works after all! Спасибо.

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