Shell script help needed

[William Park]

On Sat, Sep 03, 2011 at 09:36:46PM -0400, phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org wrote:
> Folks -
> 
> I have a mass of files with names like crw_0858.tiff that I need to
> convert to black an white using the following command line.
> 
> convert crw_0858.tiff -colorspace Gray output_0858.tiff
> convert crw_0859.tiff -colorspace Gray output_0859.tiff
> 
> etc
> 
> This is beyond my shell-scripting capabilities. Can anyone suggest a
> simple shell script that can do this?
> 
> Error checking is not required since I'm the only one to run this thing,
> and I do it manually.
> 
> Thanks in advance...
> 
> Peter

for i in crw_*.tiff; do
    convert $i -colorspace Gray output_${i#crw_}
done

-- 
William
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