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To expand on what my colleagues RudiC and Don Cragun has already said:

I might not be (see above) the biggest expert on all things subshell but i know a thing or two about programming. Make no...

To show the yad picture while find is running, did you consider
yad ... &
find ...
kill %1 (yad's jobspec, hopefully)

The entire purpose of running a job asynchronously is to allow you to run other jobs at the same time. If you don't want to run any other jobs at the same time while your find command is running;...

First off, thank you for clearing that up. It actually never occurred to me to put an assignment (or anything else not being an external executable, for that matter) in background so i couldn't draw...

Actually, this is pretty straight forward. But, an "&" is never simply ignored in the shell command language. The "&" causes the previous list (where "list" in this case is a simple command that is...

Because you updated it in a subshell. In fact it is updated - but only in the subshell and with leaving the subshell the value is lost too.

These two are identical and they:

( command )

(
...

Everything between the parentheses marked in red above is performed in a subshell. Nothing set inside that subshell will be visible in the shell that invoked that subshell (including changes to...

You will need to use markup language for this, and escape backslashes multiple times.
Something like this should work :

chars="\\\\ , /, <, >, ?, |, &, $"
zenity --forms --text="Chars not...

Hi, try this
ifconfig tun0 | awk '/inet / {print $2}'

Is there any feature in the unfiltered lshw output that allows us to discriminate between desired and undesired devices? In your above sample, that might be size, but that would also output /dev/sdh....