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Allegro CL |
19 Filenames 19.2 Pathnames 19.2.2 Interpreting Pathname Component Values 19.2.2.4 Restrictions on Examining Pathname Components
19.2.2.4.6 Restrictions on Examining a Pathname Version ComponentThe version can be any symbol or any integer.The symbol :newest refers to the largest version number that already exists in the file system when reading, overwriting, appending, superseding, or directory listing an existing file. The symbol :newest refers to the smallest version number greater than any existing version number when creating a new file. The symbols nil, :unspecific, and :wild have special meanings and restrictions; see Section 19.2.2.2 Special Pathname Component Values and Section 19.2.2.5 Restrictions on Constructing Pathnames. Other symbols and integers have implementation-defined meaning. |