From owner-freebsd-questions  Tue Dec 25 18:41:51 2001
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Date: Tue, 25 Dec 2001 21:42:42 -0500
From: parv <parv_@yahoo.com>
To: Joe & Fhe Barbish <barbish@a1poweruser.com>
Cc: FBSD Questions <questions@FreeBSD.ORG>
Subject: Re: Dos -> Unix end-of-line conversion
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Mail-Followup-To: Joe & Fhe Barbish <barbish@a1poweruser.com>,
	FBSD Questions <questions@FreeBSD.ORG>
References: <20011226113216.A24782@grimoire.chen.org.nz> <LPBBIGIAAKKEOEJOLEGOCEGDCKAA.barbish@a1poweruser.com>
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in message <LPBBIGIAAKKEOEJOLEGOCEGDCKAA.barbish@a1poweruser.com>, 
wrote Joe & Fhe Barbish thusly...
>
> How can I get this command to roll through a directory tree processing all
> the files to feed this $ tr -d '\r' < oldfile > newfile  command converting
> dos2unix or unix2dos?  There is a dos2unix / unix2dos port but it only does
> one file at a time.


you definitely need to see find(1), sh(1), test(1).


in the meantime, if you are using ksh/sh/bash this should work w/
not much fiddling (partially tested in bash)...

find <directory> -type f |
while read Old
do
  # this needs to be more sophisticated; but something is better than
  # nothing
  #
  if ( ! file "$Old" | grep 'text' >/dev/null 2>&1 ) \
     || [ ! -f "$Old" -a -r "$Old" -a ! -L "$Old" ]
  then
    echo '* '  $Old 'may not be a text file or not readable; skipping...'
    continue
  fi

  echo ' --  sanitizing ' $Old

  tr -d '\r' < "$Old" > "${Old}.changed"

  # optionally remove old files, keep only changed ones
  #
  #mv -f "${Old}.changed" "$Old"

done


-- 
 

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