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Asked: 2026-05-29T03:35:29+00:00

In my ksh script I have the parameter VERSION=3.9.2X . $VERSION always start with

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In my ksh script I have the parameter VERSION=3.9.2X. $VERSION always start with 3.9.2 and X could be any number integer or float number.

The following irregular ksh syntax works fine for any X integer number/s but not for float numbers (for example it doesn’t work for X=2.34 or X=22.123)

What do I need to add in my syntax in order to support float numbers?

[[ $VERSION = 3.9.2*([0-9]) ]] && echo right version
  • remark – X could have the character “-“

Example of $VERSION values that could be

          VERSION=3.9.22.34-3
          VERSION=3.9.20.34.3
          VERSION=3.9.29.34-3
          VERSION=3.9.212.3.4-3
          VERSION=3.9.21.34.2-3.3
          VERSION=3.9.273
          VERSION=3.9.210.3
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1 Answer

  1. Editorial Team

    is this what you want? not sure…

    kent$  ksh
$ VERSION=3.9.21.2.3.4.5
$ [[ $VERSION = 3.9.2*([0-9\.]) ]] && echo $VERSION
3.9.21.2.3.4.5

    EDIT

    kent$  ksh
$ VERSION=3.9.21.2.3.4.5-34556
$ [[ $VERSION = 3.9.2*([0-9\.-]) ]] && echo $VERSION
3.9.21.2.3.4.5-34556

    EDIT2

    $ VERSION=3.9.21.2.3.4.5-345_5-60_2-3
$ [[ $VERSION = 3.9.2*([_0-9\.-]) ]] && echo $VERSION
3.9.21.2.3.4.5-345_5-60_2-3
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