Re: [Help-bash] How to print a bash variable in the most succinct way?

[Chet Ramey]

On 8/16/16 11:50 AM, Peng Yu wrote:

>> This isn't a very good idea.  If you have to do something like this, it's
>> better to mark or tag the variables you want to `export', write them to a
>> file, and have the child process read the file.
> 
> What if I want to export every variable that bash does not use
> internally? The problem of manually specifying the variables needed is
> that it not a scalable solution when the bash code involves many
> variables. Any other better walk-around?

Generate a list of variables you want to export, generate a list of all
shell variables (`compgen -v' is a quick way to do that), export the
variables you want, and use `export -n' to unexport the ones you want
to stay local.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/