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Update baseplus.md

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Just rephrased a few sentences and fixed some typos. Cheers, Christian
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beauweta
2022-05-15 15:15:10 +12:00
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@@ -3652,10 +3652,10 @@ The main idea behind the `%LDSNM()` is the same as for `%LDSN()` - see the descr
--- ---
The `%LDSNM()` works differently then the `%LDSN()`. The `%LDSNM()` macro works differently than the `%LDSN()` macro.
The `%LDSN()` assumed that *both* libname and dataset options *could* The `%LDSN()` macro assumes that *both* libname and dataset options *are*
be passed as elements in macro argument, e.g. be passed as elements **inside** the macro argument, together with the data set name. E.g.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas
data %LDSN( WORK.peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s (drop = sex) ); data %LDSN( WORK.peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s (drop = sex) );
@@ -3663,8 +3663,8 @@ data %LDSN( WORK.peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s (
run; run;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The `%LDSNM()`, in contrary, assumes that both libname and dataset options are The `%LDSNM()` macro, in contrary, assumes that both libname and dataset options are
passed **outside** the macro, i.e. passed **outside** the macro parameter, i.e.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas
data WORK.%LDSNM( peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s ) (drop = sex); data WORK.%LDSNM( peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s ) (drop = sex);
@@ -3672,12 +3672,13 @@ data WORK.%LDSNM( peanut butter & jelly with a hot-dog in [a box] and s*t*a*r*s
run; run;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This approach reduces some limitations the LDSN has. This approach overcomes some limitations the LDSN has.
The **additional** feature of the `%LDSNM()` is that when the macro is called The **additional** feature of the `%LDSNM()` is that when the macro is called,
a global macrovariable, which name is the same as hashed dataset name, is created. a global macrovariable is created.
The macrovariable value is the text of the argument of the macro. For example The macro variable name is the text of the hashed data set name.
the following macro call: The macro variable value is the text of the unhashed data set name (i.e. the argument of the macro).
For example the following macro call:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas
data %LDSNM(John "x" 'y' dog); data %LDSNM(John "x" 'y' dog);
@@ -3686,7 +3687,7 @@ data %LDSNM(John "x" 'y' dog);
run; run;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
creates `DSN_BF1F8C4D6495B34A_` macrovariable with value: `JOHN "X" 'Y' DOG`. creates macro variable with name `DSN_BF1F8C4D6495B34A_` and with value: `JOHN "X" 'Y' DOG`.
The macrovariable is useful when combined with `symget()` function and The macrovariable is useful when combined with `symget()` function and
the `indsname=` option to get the original text string value back, the `indsname=` option to get the original text string value back,
@@ -3737,8 +3738,8 @@ The basic syntax is the following, the `<...>` means optional parameters:
) )
~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
The text string is concider as *"only dataset name"*, i.e. macro does not The text string is considered as *"only dataset name"*, i.e. the macro does not
assume it contain library as prefix or data set options as sufix. assume it contains library as prefix or data set options as suffix.
See the `%LDSN()` macro for comparison. See the `%LDSN()` macro for comparison.
--- ---
@@ -3802,7 +3803,7 @@ run;
The LVarNm() macro function works like the LDSN() macro function, but for variables. The LVarNm() macro function works like the LDSN() macro function, but for variables.
Supported by LVarNmLab() macro function which allows to remember "user names" in labels. Supported by LVarNmLab() macro function which allows to remember "user names" in labels.
The motivation for the macro was similar one as for the LDSN() macro. The motivation for the macro was similar to that for the LDSN() macro.
--- ---
@@ -3835,7 +3836,7 @@ The basic syntax is the following, the `<...>` means optional parameters:
--- ---
### EXAMPLES AND USECASES: #################################################### ### EXAMPLES AND USE CASES: ####################################################
**EXAMPLE 1.** **EXAMPLE 1.**
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~sas