[NTLUG:Discuss] sh coding problem

[Chris Cox]

In pure Bourne shell...


MOM_CHAIR="Too soft"
POP_CHAIR="Too hard"
KID_CHAIR="Just right"
while read person; do
    chair_var="${person}_CHAIR"
    eval chair_value=\$${chair_var}
    echo "$chair_value"
done


Fred James wrote:
> 
> This is Bourne shell scripting.
> 
> Given similar environment variables such as
>      MOM_CHAIR
>      POP_CHAIR
>      KID_CHAIR
> I want to build the variable name on the fly and retrieve the value to base a decision
> on in my script.
> Hints?
> 
> 
> --
> Consider Fractals
> a large, calm, black cat
> who seems often to be my spiritual leader.
> 
>