Environment Variables
<<<< ^^^^^ >>>>

  •  All bash variables are environment variables

  • test.sh
    #!/bin/bash
    myname="Steve Litt"; echo myname=$myname
    unset myname; echo
    myname=$myname
    let mynumber=4; let mynumber=$mynumber+1; echo
    mynumber=$mynumber
    unset mynumber; echo
    mynumber=$mynumber

    <<<< ^^^^^ >>>>

     
     
     
     
    Copyright (C) 2005 by Steve Litt, you can freely distribute unmodified copies if this copyright notice and disclaimer are intact.  This material originally appeared on Troubleshooters.Com.

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