Python method lseek() sets the current position of file descriptor fd to the given position pos, modified by how.
Following is the syntax for lseek() method:
os.lseek(fd, pos, how)
This method does not return any value.
The following example shows the usage of lseek() method.
#!/usr/bin/python import os, sys # Open a file fd = os.open( "foo.txt", os.O_RDWR'os.O_CREAT ) # Write one string os.write(fd, "This is test") # Now you can use fsync() method. # Infact here you would not be able to see its effect. os.fsync(fd) # Now read this file from the beginning os.lseek(fd, 0, 0) str = os.read(fd, 100) print "Read String is : ", str # Close opened file os.close( fd ) print "Closed the file successfully!!"
When we run the above program, it produces the following result:
Read String is : This is test Closed the file successfully!!
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