[Gllug] A command to repeat a function for each file

[Jonathan Harker]

On Thursday 14 February 2002 22:24, Nick Hill wrote:
<snip>
> Looks good, although I would like a general purpose script which I could 
pass parameters to from the command line. I often have use for such a script, 
which is why I thought it had been implemented as a common function. 
> 
> Regards
> 
> Nick.

I'm pretty sure there isn't a shell function/program/script to do that. You 
could get close by using the rename command and doing something like

#!/bin/sh
for f in $1; do
  sox $f -r 11025 $f.RENAME resample
  rename $2 $3 $f.RENAME
done

which takes 3 arguments. For example, 

resample *.wav ".wav" "-11025.wav"

would resample the *.wav files one by one and rename them to *-11025.wav - 
perhaps a variation of this is what you're after. But to do a generic call of 
foo, like

somescript foo oldfiles newfiles

you'd have to invent a parameter substitution scheme for the foo parameter 
and then sed/awk your $2 and $3 into it. Doable, but really a reinvention of 
the ` substitution character and for .. in .. do loops. "I see parameters 
within parameters... I see two great houses..." (woah sorry, it's late)

HTH,
Jon.

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Jonathan Harker
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