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The functions described in this section all operate on strings that designate file names. All the functions have names that begin with the word ‘file’. These functions all return information about actual files or directories, so their arguments must all exist as actual files or directories unless otherwise noted.
• Testing Accessibility: | Is a given file readable? Writable? | |
• Kinds of Files: | Is it a directory? A symbolic link? | |
• Truenames: | Eliminating symbolic links from a file name. | |
• File Attributes: | How large is it? Any other names? Etc. |