On Mon, Dec 27, 2010 at 10:51 PM, Rodolfo Alcazar Portillo <nospaze@xxxxxxxxx> wrote: > On Mon, 2010-12-27 at 13:31 -0500, Chris Tyler wrote: >> On Mon, 2010-12-27 at 17:05 +0100, Rodolfo Alcazar Portillo wrote: >> > Hello. See this: >> > >> > # A="echo 'hi'" >> > >> > # echo $($A) >> > 'hi' >> > >> > # echo 'hi' >> > hi >> > >> > Does anyone understand why does the first command >> > evals the echo but echoes the simple quotes? >> >> $() provides a type of quoting, so it's evaluated similar to: >> >> "echo" "'hi'" >> >> which produces the observed result. > > Hmmm. Somehow obvious. Is that "type of quoting" documented > somewhere? Why does it eval just the first word? While I don't agree with the above characterization the process is documented in the EXPANSION section of the bash manpage. John -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
