prepending text conditionally
I am currently writing a script to compare a file list created over an FTP connection to a local directory.
I have cleaned the FTP file list up so that I just have a raw list of filenames however due to the directory structure employed (both locally and on the ftp site) I need to prepend each line with a directory name based on the first letter of the filename. For filenames that are numeric, the directory name is '123'. From this, I can perform a diff in order to give me a manifest of files missing locally to be downloaded using curl or wget.