$ perl -we "  s/\F{16}//g  "
Unrecognized escape \F{ passed through in regex; marked by <-- HERE in
+ m/\F{ <-- HERE 16}/ at -e line 1.
Use of uninitialized value $_ in substitution (s///) at -e line 1.

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In reply to Re^3: delete FF's from a file by Anonymous Monk
in thread delete FF's from a file by james28909

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