pathchk
Check the validity and portability of pathnames. tldr-pages
On several platforms
Several platforms
Check pathnames for validity in the current system
pathchk path1 path2 ...IdentifyCheck pathnames for validity on a wider range of POSIX compliant systems
pathchk -p path1 path2 ...IdentifyCheck pathnames for validity on all POSIX compliant systems
pathchk --portability path1 path2 ...IdentifyOnly check for empty pathnames or leading dashes (-)
pathchk -P path1 path2 ...Identify