mergingfile.R
written with the assitance below URLs ## https://stackoverflow.com/questions/47021494/r-data-processing-involving-strsplit ## https://stackoverflow.com/questions/33199203/r-how-to-display-the-first-n-characters-from-a-string-of-words ## https://stackoverflow.com/questions/7963898/extracting-the-last-n-characters-from-a-string-in-r script download and merging on the basis key fields then trim the characters against particular columns entities and save it. Later use this keyword as a primary key and further merge the files and made a single file.