Re: Bash script variables question[Scanned]

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On Sunday, Aug 6th 2006 at 22:05 +1000, quoth Cameron Simpson:

=>On 06Aug2006 12:44, Chris Bradford <chrisbradford@xxxxxxxxxxxxxxxxxxxx> wrote:
=>| I changed
=>| 
=>| ctime=/bin/date
=>| compname=hostname
=>| 
=>| to:
=>| 
=>| ctime="$(date)"
=>| compname="$(hostname)"
=>
=>BTW, you don't need the quotes. The assignment is parsed before the
=>values arrive. Eg, this works:
=>
=>	x='a b c'
=>	y=$x
=>
=>Also, just for other scripts, this:
=>
=>	foo=`command`
=>
=>is more portable than
=>
=>	foo=$(command)

Never use backquotes when the $( cmd ) is available. The backquotes are 
deprecated in bash and ksh and are only available in antique Bourne 
shells. In addition there are subtle differences in quoting between the 
two.

As for not needing the quotes, ... QED ;-)

-- 
Time flies like the wind. Fruit flies like a banana. Stranger things have  .0.
happened but none stranger than this. Does your driver's license say Organ ..0
Donor?Black holes are where God divided by zero. Listen to me! We are all- 000
individuals! What if this weren't a hypothetical question?
steveo at syslang.net


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