Re: query shell environment or hardstatus in other windows

[Aaron Davies]

On Thursday, August 18, 2011, Kevin Van Workum <address@hidden> wrote:
>
>
> On Thu, Aug 18, 2011 at 2:54 PM, Jostein Berntsen <address@hidden> wrote:
>>
>> On 18.08.11,12:51, Kevin Van Workum wrote:
>> > On Thu, Aug 18, 2011 at 12:33 PM, Jostein Berntsen <address@hidden>wrote:
>> >
>> > > On 18.08.11,10:36, Kevin Van Workum wrote:
>> > > > Hi,
>> > > >
>> > > > I would like to query the values of environment variable that are set in
>> > > the
>> > > > shells of other window in my screen session. For example, I would like to
>> > > > know the value of $HOSTNAME in window 0 while in window 1.
>> > > >
>> > > > Really, all I want is HOSTNAME, USER, and PWD which are all displayed on
>> > > my
>> > > > hardstatus line. So if I could just get the hardstatus line for each
>> > > window,
>> > > > that would be fine. The idea would be to create a screen-aware scp
>> > > command
>> > > > to copy files from one location to another.
>> > > >
>> > >
>> > > This should work:
>> > >
>> > > :eval "at 0" "echo '$HOSTNAME $USER $PWD'"
>> > >
>> >
>> > No, that just evaluates the variables in screen's environment. I want the
>> > variables in the operating shell of a given window, or just the status line
>> > of a window.
>> >
>> >
>>
>> Would this work better?
>>
>> :eval "at 0" "exec echo '$HOSTNAME $USER $PWD'"
>
> No, that does basically the same thing. You can't really execute a command like this to get the values I want. It will always just return the values in screen's environment.

could you tell the other window to tell you its value via a nested "at"? not sure of the syntax, conceptually it's, from 1, "at 0 \"at 1 stuff \$HOSTNAME\""

-- 
Aaron Davies
address@hidden