*call file split function
*splits a file into multiple parts
*passing arguments there are file ID, file path, filename, number of parts
*access the file and set the read mode
*get file size and divide into number of parts
*read the file content in each part and storeed in array
*generate filename for each part
*get the sever locations
*write the file in each server location
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*call the merge function
*passing arguments there are file ID, file path,merged filename, no. of parts
*read the file content from various locations and stored into array
*combine the array values
*set the write mode
*write the file


