Read Environment Text Area Variables

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# Read Environment Text Area Variables

Subroutine Name | Executable Example | Viewable Example
--- | --- | ---
W3READ-ENVIRONMENT-TEXTAREA W3READ-ENVIRONMENT-TEXTAREA-DYN | E3ENVTX E3ENVTXD | E3ENVTX E3ENVTX1 E3ENVTXD E3ENVTX2

> Description

>   Reads a variable set by a text area tag and separates the text lines.

> Parameters

>   1. W3READ-ENVIRONMENT-TEXTAREA

>          1 W3START            (I4)        /* io/m : Offset to be started at
>          *                                /*        out: 0 no occurrences
>          *                                /*        out: >0 more occurrences
>          1 W3NAME             (A072)      /* i /m : Name of variable
>          1 W3VALUESERVER      (A1)        /* i /m : Search for variables in
>          *                                /*        'S' server
>          *                                /*        'P' page or URL
>          *                                /*        ' ' both
>          1 W3ARRAYCOUNTER     (A250/1:V)  /* io/m : Length of array,
>                                           /*        returned values
>          1 W3ARRAYVALUE       (I4/1:V)    /*  o/m : Value of variables
>          1 W3ARRAYVALUELENGTH (I4)        /*  o/m : Length of variables
>          1 W3ARRAYMAXIMUM                 /*  o/m : Total number of variables

>   2. W3READ-ENVIRONMENT-TEXTAREA-DYN

>          1 W3START            (I4)              /* io/m : Offset to be started at
>          *                                      /*        out: 0 no occurrences
>          *                                      /*        out: >0 more occurrences
>          1 W3NAME-DYN         (A) DYNAMIC       /* i /m : Name of variable
>          1 W3VALUESERVER      (A1)              /* i /m : Search for variables in
>          *                                      /*        'S' server
>          *                                      /*        'P' page or URL
>          *                                      /*        ' ' both
>          1 W3ARRAYCOUNTER     (I4)              /* io/m : Length of array,
>                                                 /*        returned values
>          1 W3ARRAYVALUE-DYN   (A/1:V) DYNAMIC   /*  o/m : Value of variables
>          1 W3ARRAYVALUELENGTH (I4/1:V)          /*  o/m : Length of variables
>          1 W3ARRAYMAXIMUM     (I4)              /*  o/m : Total number of variables

> How To Invoke

>       PERFORM W3READ-ENVIRONMENT-TEXTAREA W3START W3NAME
>              W3VALUESERVER W3ARRAYCOUNTER(*)
>              W3ARRAYVALUE(*) W3ARRAYVALUELENGTH(*)
>              W3ARRAYMAXIMUM

>       PERFORM W3READ-ENVIRONMENT-TEXTAREA-DYN W3START W3NAME-DYN
>              W3VALUESERVER W3ARRAYCOUNTER(*)
>              W3ARRAYVALUE-DYN(*) W3ARRAYVALUELENGTH(*)
>              W3ARRAYMAXIMUM