I have written what I want to do in Perl. open('IN', '<file');
while (<IN>) {
delete $choose{$_} if exists $choose{$_};
}
close('IN');
# choose one keys within %choose
open('OUT', '>>file');
print OUT $chosen;
close('OUT'); #add hook to delete $chosen from file when emacs is closed Could anybody translate that to lisp or point me to a resource where I will find those infos myself. XEmacs´ lisp info pages have not been really helpful. Andreas
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