Backticks for a subshell are 'depricated' though the convention is still in wide use. I use the $() method because `su - user 'command --opt="foo"'` and such can get a bit confusing, and the alternative is much easier to pick out of a mass of text. On Oct 17, 2011 1:45 PM, "Mike Wright" <mike.wri...@mailinator.com> wrote:
> On 10/17/2011 12:39 PM, Mike Wright wrote: > > Hi all, > > > > I'm trying to write a bash script and having problems. > > > > If I execute this: > > > > ps x | grep mongod | wc -l > > > > it returns a value. > > > > OTOH, if I execute this: > > > > LINES = ps x | grep mongod | wc -l > > > > it returns "command not found". > > > > How does one assign the output of a command to an environment variable? > > Aaargh! Doesn't like the spaces around the = sign. > > LINES=`ps x | grep mongod | wc -l` is a way to write it. > > Sorry for the noise :/ > -- > users mailing list > users@lists.fedoraproject.org > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >
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