[CentOS-docs] Suggestions on "I Need the Kernel Source" Wiki pages
scottro at nyc.rr.com
Sun Jul 13 04:03:08 UTC 2008
On Sat, Jul 12, 2008 at 08:39:46PM -0700, Akemi Yagi wrote:
> On Sat, Jul 12, 2008 at 6:27 PM, Antti J. Huhtala <ahuhtal4 at welho.com> wrote:
> > Hi all,
> Hi Antti,
> > d) Two attempts of 'rpmbuild' perhaps failed because I inadvertently
> > used single quotes or apostrophes around 'uname -m' instead of "`"s
> > (accent grave?).
> They are "back ticks" :-) This is one of those things that might be
> regarded as Unix/Linux basics (?). It feeds the output of the command
> inside the ticks to the shell. In your case, `uname -m` produces i686
> which then will be used as the parameter for the --target= option.
This confuses many newcomers (and old timers with bad vision if they're
not paying attention.)
Is there any merit to substituting that with $(). (To the OP, original
poster, both the back ticks, to the left of the numeral 1 on a QWERTY
keyboard and putting something inside $(), e.g., $(uname -m) mean to
execute a command.
I write many pages for the beginner. As that was a common error when
people would read my pages, I then began making a point of explaining
what they were. Finally, I decided that simply using $() was easier
than adding a sentence or two specifying that those were backticks. :)
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