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Subject:	Re: /bin/ gets deleted on error
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From:	Norton Allen <allen AT huarp DOT harvard DOT edu>
Message-ID:	<0af85791-c5a1-e2fe-fe71-3463e5545a7f@huarp.harvard.edu>
Date:	Fri, 14 Apr 2017 10:33:34 -0400
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On 4/14/2017 8:42 AM, cyg Simple wrote:
> On 4/13/2017 2:43 PM, Brian Inglis wrote:
>
>> defensive coding is your friend to avoid disasters:
>> 	if [ -n "$foodir" ] && [ -d $foodir/ ]; then
>> 	  /bin/rm -fR -- $foodir || exit
>> 	else
>> 	  echo "Can't find directory '$foodir'"
>> 	  exit 2
>> 	fi
>>
> And even this can be troublesome if you mistype a variable name anywhere
> in this code.
>
Or there are spaces in $foodir


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