NAME: fileline PURPOSE: (one line only) Returns one line from a file at a chosen location. DESCRIPTION: CATEGORY: File I/O CALLING SEQUENCE: line=fileline(filename,linenumber) INPUTS: filename :String, name of file to read linenumber:The line number of the file to read (0 indexed) OPTIONAL INPUT PARAMETERS: KEYWORD INPUT PARAMETERS: HEADER : Optional header to be skipped in the file. Default is no header. If supplied, this string (or string) array must match the first N lines of the file or it will be an error. The header, if provided, is not counted in the line count for the line to be returned. OUTPUTS: return value is the specified line of the file (string). If an error occurs, the return value is an integer value of -1. If you get a string, there was no error. KEYWORD OUTPUT PARAMETERS: COMMON BLOCKS: SIDE EFFECTS: RESTRICTIONS: PROCEDURE: MODIFICATION HISTORY: 2004/07/13, Written by Maureen Teyssier, REU Lowell Observatory 2004/07/15, MWB, incorporated into library.