perl -lne 's/^"//;s/"$//;print if -e'
or (less often)
perl -lne '$o=$_;s/^"//;s/"$//;print $o if -e'
Ok: no much harm done (to my fingertips). But then, talking about huffmanization, could a standard adverb be provided for -X's to the effect of specifying that the passed filename is quoted, say in double (or if sensible in single) quotes: for I find that to be a common filelist "format". Ideally, what I'd like to do is
perl -lne 'print if -e :q'
Michele -- Mary had a little lamb;/Its fleece was green as limes. And every even number greater than two/Is the sum of two primes. - Robert Israel in sci.math, "Re: all math problems reduce to linguistics"