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lang-bash
-fand not-e? Do we want to exclude directories, fifos etc? And you could simplify your perl toperl -lne 'print if -e' file.txt.-fspecifically because of the question, which states "files". Couldn't get that perl construct to return any files; I assumed it was the trailing NL that stopped-fmatching-lturns on auto chomp.-lcompletely (I don't use perl much these days). Simplifying...perl -lne 'print if lstat'for files of any type.-ewould exclude symlinks that can't be resolved.