Small. Fast. Reliable.
Choose any three.
*** 46,52 ****
  download ActiveTcl from ActiveState http://activestate.com/Products/ActiveTcl/
  for several popular platforms.   You may need to edit the third line of
  idxchk in order to use the correct Tcl intepreter (e.g. tclkit or a
! different version of tclsh.)  Also, chage the permissions on the file
  as *chmod +x idxchk*. Or, simply specify the Tcl interpreter
  on the command line before idxchk (E.g., tclsh, tclsh8.4, or tclkit).
  
--- 46,52 ----
  download ActiveTcl from ActiveState http://activestate.com/Products/ActiveTcl/
  for several popular platforms.   You may need to edit the third line of
  idxchk in order to use the correct Tcl intepreter (e.g. tclkit or a
! different version of tclsh.)  Also, change the permissions on the file
  as *chmod +x idxchk*. Or, simply specify the Tcl interpreter
  on the command line before idxchk (E.g., tclsh, tclsh8.4, or tclkit).