This is the command shpfix that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
shpfix - fix nulls and inconsistencies in shapefiles
SYNOPSIS
shpfix in_shp_file out_shp_file [record# to blank]
OPTIONS
in_shp_file
the name of an existing shapefile.
out_shp_file
the name of the new fixed shapefile that will be created.
EXAMPLE
shpfix broken fixed
Use shpfix online using onworks.net services