> >>> It's not in the script itself, but a keystroke sequence that one does > >>> at the command prompt... same as Ctrl-R gets one a rolling history > >>> stack :-) > >>> > >>> > >> so here you are assuming that the shell keeps a history of exit status? > >> > > > > Not necessarily, the rolling history stack and exit status was an example :-) > > > > If I had to enter: > > > > # pidof mysqld > > > > say, and this cli returned null, there is something that I can do to > > pipe the actual return to stdout, even if it's default is to return > > null to monitor (stdout). > > > > HTH with the description :-) > > > > > that sounds a lot like echo $?...as in > > # pidof mysqld;echo $? Yes, something like that. Similar to I/O redirection i>&j but invoked by keystroke sequence and not actually typing characters to the command line. TiA :-) -- Then you will know the truth, and the truth will set you free.
