[u-u] Sams book

[bdb at 0123456789-abcdefghijklmnopqrstuvw.xyz]

On Fri, 15 Jan 2016, Jim Mercer wrote:
|On Fri, Jan 15, 2016 at 03:41:13PM -0500, Hello Kittyhawk wrote:
||On Fri, 15 Jan 2016, Jim Mercer wrote:
|||On Fri, Jan 15, 2016 at 03:22:35PM -0500, Hello Kittyhawk wrote:
|||
||||    Also for those reasons the suggestion to use exepedients like
||||    "make -j `getconf ...` is functional only in a subset of
||||    linux distribtuions
|||
|||i'm a recent, and fairly happy, convert to using "$(cmd)" instead of `cmd`.
||
||      That's not present in a number of /bin/sh implementations
||      so if real portability is your goal, it should be avoided
|
|i used to think this as well, but i have not run into a non-compliant
|/bin/sh  in some time.

        This answer is commposed on just such a system -

        > echo $( echo hi )
        syntax error: `(' unexpected

        However pdksh does do what's needed :)


O .             Bruce Becker    Toronto, Ontario        +1 416 410 0879
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