mike wrote:
>>From all material I collected a shell function returned value is kept
> in $? without any limit, but I got some weird problems. Here is a
> example:
>
> --------------------------
> #!/bin/sh
> ###!/bin/bash
>
> add1() {
> x=`expr $1 + 1`
> #echo -e "x=$x"
> return $x
> }
>
> [...]
>
> a=1026
> add1 $a
> echo -e "a=$a\t$?"

ugly workaround with subshell:

--- cut here ---
#!/bin/bash

add1() {
x=`expr $1 + 1`
#echo -e "x=$x"
echo $x # changed
}

[...]

a=1026
ret=$(add1 $a) # changed
echo -e "a=$a\t$ret" # changed
--- cut here ---

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