[CALUG] offsite for file access

[Jim Cottrell]

The Domain here is Shell Scripts. Clearly, they are Useful in other 
Contexts.

Perhaps I should have said "STOP using Backticks for *shell command 
replacement*"

JIM

On 8/12/19 2:05 PM, Tim Spangler wrote:
>
> Off the top of my head, Perl execution of shell script where you want 
> to capture STDOUT and using a file descriptor would be inappropriate 
> (thinking of past problems with Cygwin).
>
> *From:*CALUG [mailto:calug-bounces at unknownlamer.org] *On Behalf Of 
> *Jason C. Miller
> *Sent:* Monday, August 12, 2019 12:38 PM
> *To:* Bryan J Smith <b.j.smith at ieee.org>
> *Cc:* CALUG mailing-list <calug at unknownlamer.org>
> *Subject:* Re: [CALUG] offsite for file access
>
> Short of legacy Bourne-shell execution, what are the cases?
>
> On Mon, Aug 12, 2019 at 9:35 AM Bryan J Smith <b.j.smith at ieee.org 
> <mailto:b.j.smith at ieee.org>> wrote:
>
>     Backticks are required in some cases though, so they do have their
>     purpose.
>
>     - bjs
>
>     On Mon, Aug 12, 2019 at 12:07 PM Jim Cottrell
>     <jecottrell3 at comcast.net <mailto:jecottrell3 at comcast.net>> wrote:
>
>         STOP using Backticks!
>
>         GOOD: var=$(command args...)
>
>         BAD: var=`command args...`
>
>         At the Very Least, you won't have to explain what kind of
>         Quotes you are
>         using.
>
>         JIM
>
>         On 8/8/19 1:08 PM, Howard Bampton wrote:
>         > 1) Save message to a scratch file
>         > 2) egrep '(http:|https:)' /path/to/scratchfile >
>         /path/to/newfile
>         > 3) wget `cat /path/to/newfile`
>         >
>         > The single quote marks in step 3 are back tics (`), not
>         normal single
>         > quotes (') [aka not the quote on the same key as the double
>         quote key]
>
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