OPTION_A='1' OPTION_B='2' OPTION_C='' OPTION_D='\n' OPTION_E="1" OPTION_F="2" OPTION_G="" OPTION_H="\n" OPTION_I="some multi-line text with \"escaped quotes\" and ${OPTION_A} variable" OPTION_J='some$pecial$1$2!*chars=qweq""e$$\$""' OPTION_K=" " OPTION_L="some multi-line text with \"escaped quotes\" empty lines and ${OPTION_A} variable "