[ELDK] echo -e (busybox)

[Detlev Zundel]

Hi Giuseppe,

> On 1 Jul 2008 at 12:35, Detlev Zundel wrote:
>> Configuration of busybox?  The "-e" and "-n" support is configurable.
>
> I'm using the busybox binary in the SELF package of arm-2007-01-
> 21.iso (ELDK 4.1). I'm not sure about configuration of busybox.
>
>
>> Actually I just verified this with an ELDK-4.2 ramdisk:
>> 
>> ~ # echo -e "test\ntest"
>> test
>> test
>> ~ #
>> 
>> So what version of the ELDK SELF are you referring to?
>
> busybox-arm_trg-1.3.0-1.arm.rpm as inside arm-2007-01-27.iso ELDK 4.1
>
> I notice another thing:
>   root:/flnand/www/cgi-bin> echo -e "hello\nworld"
>   hellonworld
>   root:/flnand/www/cgi-bin> echo -e 'hello\nworld'
>   hello
>   world
> If I use double quotes, -e option doesn't work. If I use single 
> quote, it works. Could it be a issure related to the shell?

Hm, yes so it seems.  I see the same with an 4.1 SELF image on PowerPC:

root:~> echo -e "test\ntest"
testntest

This looks like the parsing of the shell is not quite ok.  Lets verify
that:

root:~> echo -e "test\\ntest"
test
test

Yes, this indeed seems to be a problem with shell parsing rules.  We
switched shell implementations between ELDK 4.1 to ELDK 4.2 from "msh"
to "ash", so this very likely contributes to this behaviour.  Msh seems
to be somewhat non-standard...

Cheers
  Detlev

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