In general, if you want to mask a % sign with a macro quoting function at compilation, use %NRSTR. There is one case where you can use %STR to mask a % sign: when the % sign does not have any text following it that could be construed by the macro processor as a macro name.

Mask special characters and mnemonic operators in constant text at macro compilation. The %STR and %NRSTR functions mask a character string during compilation of a macro or macro language statement. They mask the following special characters and mnemonic operators: a quotation mark or parenthesis without a match.

Mask special characters and mnemonic operators inconstant text at macro compilation. 在 宏编译 时 屏蔽 特殊字符 和 助记符。 在编译宏或宏语言语句期间， %STR 和 %NRSTR 函数屏蔽字 …

Fortunately there are several ways to mask special characters within the macro language. These include quoting functions, %DO blocks, restructuring of statements, and the character mask (%). Certain characters or combinations of characters will often cause the macro language to behave in ways that are neither desirable or anticipated.

2021年5月24日 · 一旦套上的是05，SAS会进一步将原来的%和&转换成其他符号，来达到mask宏触发符号的目的。因此我们猜测执行顺序是这样的： 1、解析quote或nrquote中的宏变量。 2、两端加上mask符号08，03或05。 3、有%的话进行转义，将+，-等符号进行替换。

2022年9月9日 · My macro Variable have the '%' symbol . I am getting the following Warning. How I can avoid this warning. My macro variable resolving correctly. Thank you for your inputs. The %UPCASE function will remove macro quoting. If you want to keep the % sign quoted, change to %QUPCASE: The Boston Area SAS Users Group is hosting free webinars!

2020年3月18日 · %BQUOTE and %NRBQUOTE are used to mask values or macro variable references during the execution of a macro statement. These functions mask all the characters that %STR and %NRSTR mask with the addition of unmatched quotation or parenthesis.

2014年8月15日 · Without macro quoting functions, you would have no way to mask the real meaning of these special characters or mnemonics. This post will list some all-purpose functions, tell how to determine when to use each type, and show you …

2018年3月5日 · Could please help to mask the variables Cavg(ss) and AUC_%Extrap_obs in the text of macros: ... %if &ppfile=pksc %then %do; Cavg(ss) AUC_%Extrap_obs; %end; Thank you!

The %QUOTE and %NRQUOTE functions mask a character string or resolved value of a text expression during execution of a macro or macro language statement. They mask the following special characters and mnemonic operators: