# => Define the variable with the [This's the "best" music] string
message <- "This's the \"best\" music"
message <-gsub("\"", "\\\"", gsub("\'", "\\\'", message, fixed=TRUE), fixed=TRUE)
cat(message, sep="\n")
cat(gsub("([\"'])", "\\\\\\1", "This's the \"best\" music"), sep="\n")
IyA9PiBEZWZpbmUgdGhlIHZhcmlhYmxlIHdpdGggdGhlIFtUaGlzJ3MgdGhlICJiZXN0IiBtdXNpY10gc3RyaW5nCm1lc3NhZ2UgPC0gIlRoaXMncyB0aGUgXCJiZXN0XCIgbXVzaWMiCm1lc3NhZ2UgPC1nc3ViKCJcIiIsICJcXFwiIiwgZ3N1YigiXCciLCAiXFxcJyIsIG1lc3NhZ2UsIGZpeGVkPVRSVUUpLCBmaXhlZD1UUlVFKQpjYXQobWVzc2FnZSwgc2VwPSJcbiIpCgpjYXQoZ3N1YigiKFtcIiddKSIsICJcXFxcXFwxIiwgIlRoaXMncyB0aGUgXCJiZXN0XCIgbXVzaWMiKSwgc2VwPSJcbiIp