HP d640 HP D640 High-Volume Printer - PostScript Emulation Manual, C5630-90002 - Page 47

File System Operators Operator Description file closefile - Closes the file specified. string deletefile - Deletes the file specified. filename access file file Opens the file identified by filename, accessing it as specified by access. src|tgt param(s) name filter file Creates and returns a filtered file. template proc scratch filenameforall - Lists all files whose names match the specified template. Executes the procedure specified for all the files listed. file fileposition int Returns the current position in an existing open file. file read int true or false Reads the next character from the file specified unless an end-of-file indicator is encountered. file string readhexstring substring bool Reads characters (in the form of hexadecimal digits) from a file. file string readstring substring bool Reads characters from the file specified and stored them as successive elements of the string specified. file string readline substring bool Reads a line of characters (terminated by a newline character) from the file specified and stores them in successive elements of the string specified. file token token true or false Reads characters from the file specified until an entire object has been scanned and constructed. string run - Executes the contents of the file specified. file int write - Appends one character to the file specified. file string writehexstring - Writes all the characters specified by string to a file as hexadecimal digits. file string writestring - Writes the characters specified by string to the file specified. file obj int writeobject - Writes a binary object sequence to the file specified. string1 string2 renamefile - Changes the name of the file from string1 to string2. file int setfileposition - Repositions an existing, open file to a new position so the next read or write operation will commence at that position. Chapter 3: Technical Reference 43