./

mg_idlversion.pro

includes main-level program

result = mg_idlversion( [require=string])

Returns the IDL version number as a string or a boolean indicating whether a required version is met.

string version number or boolean

require in optional type=string: IDL version required; if set, MG_IDLVERSION returns a boolean of whether the version requirement is met

For example, try:

  IDL> print, mg_idlversion()
  8.0.1
  IDL> print, mg_idlversion(require='8.0.1')
     1

Also, try the main-level program at the end of this file:

  IDL> .run mg_idlversion
  Version: 8.0.1
  Can require 6.4: yes
  Can require 7.1: yes
  Can require 7.2: yes