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Subject:	Re: /bin/ gets deleted on error
To:	cygwin AT cygwin DOT com
References:	<CAMZ6u3sxGACjd12x+_p75fX_dMDYLLj6KXOysq2T_iH6hoHNDw AT mail DOT gmail DOT com> <58EFB88A DOT 5090807 AT tlinx DOT org> <CAPF-yObM81YpnK52F7uNxKu6jaxNAL3xQiy7KZQyXSZeomxodg AT mail DOT gmail DOT com> <df96eab9-367e-c139-a769-dbdd4d4b7700 AT SystematicSw DOT ab DOT ca>
From:	cyg Simple <cygsimple AT gmail DOT com>
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Date:	Fri, 14 Apr 2017 08:42:38 -0400
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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.

-- 
cyg Simple

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