ca = File.new("a.txt", "r").read.split(//u)
sa = File.new("s.txt", "r").read.split(//u)
ic = ca.size
sa.each { |ssa|
ca.delete ssa
}
print ic-ca.size, " interpuctions deleted.\n"
print "Total ", ca.size, " words.\n"
==
a.txt：目標檔案（UTF-8編碼限定）
==
s.txt（UTF-8）
，。、「」：；
==
完
ㄇㄉ這好威