finding files in dos format

Simon Geard delgarde at ihug.co.nz
Thu Feb 22 00:18:49 PST 2007


On Wed, 2007-02-21 at 07:57 -0800, Dan Nicholson wrote:
> On 2/21/07, Ag. Hatzimanikas <a.hatzim at gmail.com> wrote:
> >
> > This simple loop should do the job,checked in bash/zsh.
> > ===========================================
> > for filename in $(find . -type f);do
> >         if [[ -n $(file $filename |grep CRLF) ]]
> 
> Slightly more slimmed down:
> 
> if grep -q '^M$' $filename; then
>  ...
> 
> I quickly tested that, but I'm pretty sure it works. You have to play
> the same tricks with ^M as Ag mentioned before.

Shorter, but dangerous. Ag is using 'file' to confirm that the file is
actually a DOS-format text file - your version will act on any file
containing the ^M character, including binaries.

Simon.
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