--- Chas Owens <[EMAIL PROTECTED]> wrote: > On 2/27/07, Keenan, Greg John (Greg)** CTR ** > <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I have to combine several Unix password files and > remove any duplicate > > accounts - putting this into LDAP. > > > > I have the following code that will remove any > duplicate whole lines but > > I need to remove lines only if the first field of > the password file is a > > duplicate. > > This should work > > perl -ne 'print unless $h{(split/:/)[0]}++' >
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