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Nov 19, 2021 at 8:39 comment added Dylan Callaghan The reason for the if [[ $1 == */* ]] was to replace paths containing forward slashes with just the closest directory in that path. So for example, if given up foo/bar, the command will just navigate to the directory bar. This was necessary because I wanted functionality for up ~, which would be replaced by up /home/username.
Nov 18, 2021 at 15:45 history answered Hauke Laging CC BY-SA 4.0