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Re: bash cli



On 8/21/07, Stuart Murray-Smith <eight32 gmail com> wrote:
> > > Oh dear, I've forgotten what the bash cli is to see the output of a
> > > command line input (it dumps  result to screen). Pretty much the same
> > > bash functionality as Ctrl-R gives one a rolling history of entered
> > > commands.
> > >
> > > Could someone please remind me :-)
> > ----
> > question not clear...default of cli commands in bash shell would output
> > standard out and error out to screen so this should be the default
> > behavior.
>
> Thanks Craig :-)
>
> Yes, it's difficult to describe, and that's prolly why I've struggled
> to Google it. If one completed a bash script with 'exit 0' and all ran
> well, nothing (or null) is sent to stdout. If a script passes a
> variable on to another executable, this is may not necessarily be sent
> to stdout, but there is something one can pass at cli time that does
> copy this/these var(s) to stdout to see what same script produces.
>
> I hope this makes sense :-)
>


Are you looking for "$?" (Dollar sign followed by ?). in bash this
holds the last exist status.

/yonas


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