The SYSTEM function provides the same function and has the same syntax as the X statement, and it returns the command return code. 但是call system不返回执行成功与否情况,所以不推荐使用。可以使用 X 或 execute 或 %sysExec X或 %sysExec
CALL EXECUTE Routine Resolves the argument, and issues the resolved value for execution at the next step boundary. CALL SYMPUT Routine Assigns DATA step information to a macro variable. CALL SYMPUTX Routine Assigns a value to a macro variable, and removes both leading and trailing blanks. RESOLVE...
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call execute('%getMaxVal('||strip(memname)||', '||strip(name)||')'); 要等到程序运行期间才能真正执行,宏变量_max_才能由宏 %getMaxVal创建。如果你尝试再次运行该段程序,会发现这个warning不见了,而打开数据集notnull,则发现变量max在每个观测上面的值均是150。多次运行的结果均是如此,至于原因就留给...
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CALL EXECUTE Routine Resolves the argument, and issues the resolved value for execution at the next step boundary. CALL SYMPUT Routine Assigns DATA step information to a macro variable. CALL SYMPUTX Routine Assigns a value to a macro variable, and removes both leading and trailing blanks. RE...
...cats(AVISITN)||' = '||quote(cats(AVISIT))); if eof then call execute('; run;'); run; 通过宏变量创建...order by AVISITN; quit; proc format; value vs2t &fmtlst; run; 通过CNTLIN=选项创建...order by AVISITN; quit; proc format library=work cntlin=fmt; run; 通过FILENAME...
Syntax: CALL PRXSUBSTR(pattern-id, string, start, length) pattern-id is the return code from the PRXPARSE function string is the string to be searched start is the name of the variable that is assigned the starting position of the pattern length is the name of a variable, if specified, ...
It then moves on to basic PROC FCMP syntax, including how to define and call user-defined functions. Next, readers learn about the SAS array and hash object, the primary data structures leveraged by PROC FCMP, and how PROC FCMP can manipulate them behind the scenes. Finally, the Python ...
. . and therefore are not intended to execute without syntax errors. These code segments are intended to guide the programmer in building executable code segments that meet the needs of the reader. Additionally, differences in character fonts may present some characters that do not translate well ...