> El 15/09/2012 0:53, pop escribi :
>> Ed Morton said the following on 9/14/2012 1:35 PM:
>>> Serious_Developer <ehabaziz2...@gmail.com> wrote:

>>>> I must recall that thread because I did not find other group who could
>>>> be asked. Sorry for that inconvenience but I have to ask this again
>>>> for the urgent need .
>>>> I am calling that batch file that I want to return to it a value from
>>>> gawk script but it is not effective ????
>>>> ENVIRON["codeinsidebat"]=codeawk
>>> <snip>

>>> Ignoring the Windows/batch stuff it sounds like you're trying to change
>>> the value of an environment variable by changing it's value in the
>>> ENVIRON[] array within awk. You simply can't do that. ENVIRON contains a
>>> COPY of the environment variables names and associated values when awk
>>> starts up, that's all.

>>> Look (in UNIX, no idea what the Windows equivalent is):

>>> $ x=7; awk 'BEGIN{ ENVIRON["x"]=8; print ENVIRON["x"] }'; echo "$x"
>>> 8
>>> 7

>>> If you want to change the value of a variable in your environment as a
>>> result of executing an awk script then you need to have awk return that
>>> value and populate your variable from it, e.g.

>>> $ x=7; x=$(awk 'BEGIN{ ENVIRON["x"]=8; print ENVIRON["x"] }'); echo "$x"
>>> 8

>>> or generate a script to set the value and execute that script, e.g. with
>>> UNIX eval:

>>> $ x=7; eval $(awk 'BEGIN{ ENVIRON["x"]=8; print "x="ENVIRON["x"] }');
>>> echo
>>> "$x"
>>> 8

>>> Regards,

>>>     Ed.

>>> Posted using www.webuse.net

>> There is no unix/linux equivalent method to set an environment
>> variable in
>> windows as explained above. The only way I have been able to do it
>> (within
>> [g]awk) is as follows:

>> set x=7
>> echo %x%
>> 7
>> gawk "BEGIN{ x=8;print \"@set x=\"x >\"setx.bat\" }"
>> call setx
>> echo %x%
>> 8

>> Note that "call" is used if in a batch file and further batch statements
>> are present since a batch file is immediately exited without the "call".

>> HTH
>> pop is Mark

> On Windows XP and later:

> awk "BEGIN {exit 8}"
> set x=%ERRORLEVEL%
> echo %x%
> 8