[OT] shell quoting

[Luciano Rocha]

On Thu, Sep 20, 2007 at 12:28:48AM +0400, Alexander Kirillov wrote:
>  Hi all!
> 
>  I need to compare two different versions of a source tree
>  excluding certain directories and print out some statistics
>  on the files which have been changed, removed or added.

diff -urN -x 'bb*' old new | diffstat

<snip>

>  and I want to exclude all paths starting with ./bb
>  This one is easy:
> 
>  find . ! -path './bb*'
> 
>  Now I want to make it into a generic script:
> 
>  DIR=.
>  OPT='! -path $DIR/bb*'
>  find $DIR $OPT
> 
>  $DIR and * within OPT are essential
>  and no matter what I've tried I can't get the parameter expansion right.

Use arrays:
declare -a options

options=( '!' '-path' './bb*')
options+=( '-type' 'f')
...

And then:
find $DIR "${options[@]}"

-- 
lfr
0/0
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