Fabian Lee : Software Engineer

Python: find the most recently modified file matching a pattern

November 11, 2021
Categories: Python

Whether it is the most recent log file, image, or report – sometimes you will need to find the most recently modified file in a directory. The example below finds the latest file in the “/tmp” directory. import os import glob # get list of files that matches pattern pattern=”/tmp/*” files = list(filter(os.path.isfile, glob.glob(pattern))) # … Python: find the most recently modified file matching a pattern

Bash: sed substitution with an exclusion pattern

April 17, 2021
Categories: Scripting

If you are doing a substitution with sed but need to exclude a specific line or pattern, that can be accomplished by prefixing an exclusion and using “!”. For example, to substitute “hello” for “goodbye” in the following content, but to skip any line containing “world”, use syntax like the following: $ sed “/world/! s/hello/goodbye/g” … Bash: sed substitution with an exclusion pattern