I also presume that to give your program exclusive access to the file you have also locked it using the flock command.
flock( NAMEGET, 2 );
You can use the value 2 to lock and change to 8 after you have done the modification to remove the access.

In reply to Re: Replacing a string in a file by vnpandey
in thread Replacing a string in a file by Avi

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