home *** CD-ROM | disk | FTP | other *** search
/ Practical Programming in Tcl & Tk (4th Edition) / TCLBOOK4.BIN / mac / exsource.old / 6_1.tcl < prev    next >
Text File  |  2003-04-15  |  140b  |  13 lines
  1. #
  2. # Example 6-1
  3. # A conditional if then else command.
  4. #
  5.  
  6. if {$x == 0} {
  7.     puts stderr "Divide by zero!"
  8. } else {
  9.     set slope [expr $y/$x]
  10. }
  11.  
  12.  
  13.