Extract file extension: Difference between revisions

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 document.txt_backup                 -> txt_backup
 /etc/pam.d/login                    -> </pre>
-Note: the task's descriptions seems wrong to me; on a Unix machine, files beginning with "." are treated as hidden files (eg. in ls) and the suffix can be considered to be empty. As opposed to "a.desktop".
+Note: the task's description seems wrong to me; on a Unix machine, files beginning with "." are treated as hidden files (eg. in ls) and the suffix can be considered to be empty. As opposed to "a.desktop".
 =={{header|Tcl}}==