Re: [gentoo-user] Simple command line stuff

[Jason Cooper]

Mark Knecht (markknecht@×××××.com) scribbled:
> Hi,
>    I don't have a single book on Linux. (Amazing...) Can someone
> recommend a simple book on command line stuff, or better yet a good
> web site on this topic?

Sorry, I picked up most of it from fiddling around, but on to your
problem...

>    For instance, I wanted to run a specific command on every file in a
> directory which will create a new file, so I need to do
>
> command    file1.wav    file1-convert.wav
>
> I need to take each name, create a new name to build the actual
> command that gets run and then do that for every file in the
> directory, or even in a hierarchy of directories.


# for file in `ls *.wav`
> do
> newname=`echo ${file} | sed -e "s/\.wav$/-convert.wav/"`
> command -i ${file} -o ${newname}
> done

chug...chug...chug

and it's done.  But this will only work on files in one subdirectory.
For recursive operations, replace the first line with this:

# for file in `find . -type f -iname "*.wav" -print`

hth,

jason.
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