Hi! I would like to learn how to read in and stack files from the previous 12 months all at once. The files are monthly text files with a XX month lag (ex: If I were to run an analysis in October, I would pull files from June if XX=05, but if I were to run an analysis in November, I would pull files from July). I also need to pull files for each of the 12 months prior. All the files have a name like zz_MON_YYYY.txt.  ... View more