How to find if a file contains a given string using Windows command line

Question

I am trying to create a batch   bat  file for windows XP to do the following   If  file txt contains the string  searchString   then  ECHO found it    ELSE ECHO not found    So far  I have found a way to search for strings inside a file using the FIND command which returns the line in the file where it finds the string  but am unable to do a conditional check on it   For example  this doesn t work   IF FIND  searchString  file txt ECHO found it    Nor does this   IF FIND  searchString  file txt     ECHO not found   Any Ideas on how this can be done

User · Answer

I ve used a DOS command line to do this  Two lines  actually   The first one to make the  current directory  the folder where the file is - or the root folder of a group of folders where the file can be   The second line does the search   CD C  TheFolder C  TheFolder gt FINDSTR  L  S  I  N  C  TheString    PRG   You can find details about the parameters at this link   Hope it helps

User · Answer

From other post      find  c  quot string quot  file  gt NUL     if  errorlevel  equ 1 goto notfound         echo found     goto done      notfound         echo notfound     goto done      done  Use the  i  switch when you want case insensitive checking      find  i  c  quot string quot  file  gt NUL  Or something like   if not found write to file      find  c  quot   P quot  file txt       echo   P  gt  gt  newfile txt    Or something like   if found write to file      find  c  quot   P quot  file txt   amp  amp    echo   P  gt  gt  newfile txt    Or something like      find  c  quot   P quot  file txt   amp  amp    echo found        echo not found

[windows] How to find if a file contains a given string using Windows command line

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