NAME: lplastchk PURPOSE: Scan for linkages among a collection of asteroid astrometric measurements DESCRIPTION: CATEGORY: Astrometry CALLING SEQUENCE: lplastchk,matchfile INPUTS: OPTIONAL INPUT PARAMETERS: KEYWORD INPUT PARAMETERS: OUTPUTS: KEYWORD OUTPUT PARAMETERS: COMMON BLOCKS: SIDE EFFECTS: RESTRICTIONS: PROCEDURE: MODIFICATION HISTORY: 98/04/27, Written by Marc W. Buie, Lowell Observatory 2002/09/03, MWB, changed Str_sep call to strsplit