Macro XSET (from Fraktal SAS Programming): Unterschied zwischen den Versionen
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;%MACRO xset(xvar); | ;%MACRO xset(xvar); | ||
| − | |Start Macro definition with name and positional parameter 'xvar' | + | |Start Macro definition with name and positional parameter ''xvar'' |
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:filename path pipe "set" lrecl = 2048; | :filename path pipe "set" lrecl = 2048; | ||
| − | | | + | |Open source for text data of type ''pipe'' pointing to OS command |
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;data _NULL_; | ;data _NULL_; | ||
| − | | | + | |Start datastep run group |
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:length xvar $256 xval $1024; | :length xvar $256 xval $1024; | ||
| − | | | + | |Declare variables ''xvar'' and ''xval'' by length in bytes |
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:infile path dlm = '='; | :infile path dlm = '='; | ||
| − | | | + | |Utilize data stream from data source ''path'' |
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:input xvar $ xval $; | :input xvar $ xval $; | ||
| − | | | + | |Define structure od data stream ''path'' with variables xvar and xval |
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:xvar = upcase(translate(xvar,'_','(-)')); | :xvar = upcase(translate(xvar,'_','(-)')); | ||
| − | | | + | |Remove unwanted characters from variable ''xvar'' |
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;%IF %LENGTH(&XVAR.) <> 0 %THEN %DO; | ;%IF %LENGTH(&XVAR.) <> 0 %THEN %DO; | ||
| − | | | + | |Specify condition on macro parameter ''xvar'' for using code segment |
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:if trim(xvar) = "%UPCASE(&XVAR.)"; | :if trim(xvar) = "%UPCASE(&XVAR.)"; | ||
| − | | | + | |Conditionally executed code |
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;%END; | ;%END; | ||
| − | | | + | |End condition on macro parameter ''xvar'' |
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:call symput(compress(xvar),compress(xval)); | :call symput(compress(xvar),compress(xval)); | ||
| − | | | + | |Transfer variable values to symbol table |
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;run; | ;run; | ||
| − | | | + | |End data step run group |
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:filename path clear; | :filename path clear; | ||
| − | | | + | |Close source for text data |
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Version vom 29. Juli 2014, 16:50 Uhr
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| Code executed | Function performed |
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Start Macro definition with name and positional parameter xvar |
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Open source for text data of type pipe pointing to OS command |
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Start datastep run group |
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Declare variables xvar and xval by length in bytes |
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Utilize data stream from data source path |
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Define structure od data stream path with variables xvar and xval |
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Remove unwanted characters from variable xvar |
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Specify condition on macro parameter xvar for using code segment |
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Conditionally executed code |
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End condition on macro parameter xvar |
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Transfer variable values to symbol table |
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End data step run group |
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Close source for text data |
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End Macro definition with name |
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