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how can i capture value from FINDSTR

Posted on 2008-06-13
Last Modified: 2008-08-07
Hi all,

i my batch script i need to capture the result of FINDSTR function into a variable ,so that i can use that value for further processing in the same script
in the below given code (in code snippet) result of findstr /I /C:"folder"  %sd%\fname.log  should be captured into a variable
how can i do that,please suggest

many thanks in advance
set sd=d:
set balu1 =1
findstr /I /C:"folder"  %sd%\fname.log  > %balu1%
if not errorlevel 1  goto :ABORT
echo %balu1%

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Question by:kunchesm
  • 5
LVL 33

Expert Comment

ID: 21778487
in general you can do this:

for /f %%V in ('/I /C:"folder"  %sd%\fname.log') do set MYVAR=%%V

@echo %MYVAR%
LVL 33

Expert Comment

ID: 21778510
OOPS!  I left out the findstr command.  Correcting:

   for /f %%V in ('findstr /I /C:"folder" %sd%\fname.log') do set MYVAR=%%V

...but in you case you need to also redirect the output to a file, so do both:

findstr /I /C:"folder"  %sd%\fname.log  > %balu1%
   for /f %%V in ('findstr /I /C:"folder" %sd%\fname.log') do set MYVAR=%%V
if not errorlevel 1  goto :ABORT

LVL 33

Expert Comment

ID: 21778540
hmm, I don't thing the order makes a difference here, but just in I'm swapping them:

  for /f %%V in ('findstr /I /C:"folder" %sd%\fname.log') do set MYVAR=%%V
  findstr /I /C:"folder"  %sd%\fname.log  > %balu1%
  if not errorlevel 1  goto :ABORT
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LVL 33

Expert Comment

ID: 21778692
also, I'm assuming from your question that the string you are trying to find only occurs once in the file.  If you need to do something with MYVAR for multiple occurrances in the file then this will changes things considerably.  Let me know.

Author Comment

ID: 21790919
hi Ralph Brown

thank you so much....it worked.....am new to batch script.....thanks for all your suggestions and time.....
LVL 33

Accepted Solution

knightEknight earned 50 total points
ID: 21793303
I'm glad it worked for you.  :)

  for /f %%V in ('findstr /I /C:"folder" %sd%\fname.log') do set MYVAR=%%V
  findstr /I /C:"folder"  %sd%\fname.log  > %balu1%
  if not errorlevel 1  goto :ABORT

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