mirror of
https://github.com/sasjs/core.git
synced 2025-12-10 22:14:35 +00:00
59 lines
1.6 KiB
SAS
59 lines
1.6 KiB
SAS
/**
|
|
@file
|
|
@brief Performs a text substitution on a file
|
|
@details Makes use of the GSUB function in LUA to perform a text substitution
|
|
in a file - either in-place, or writing to a new location. The benefit of
|
|
using LUA is that the entire file can be loaded into a single variable,
|
|
thereby side stepping the 32767 character limit in a data step.
|
|
|
|
Usage:
|
|
|
|
%let file=%sysfunc(pathname(work))/file.txt;
|
|
%let str=replace/me;
|
|
%let rep=with/this;
|
|
data _null_;
|
|
file "&file";
|
|
put "&str";
|
|
run;
|
|
%mp_gsubfile(file=&file, patternvar=str, replacevar=rep)
|
|
data _null_;
|
|
infile "&file";
|
|
input;
|
|
list;
|
|
run;
|
|
|
|
@param file= (0) The file to perform the substitution on
|
|
@param patternvar= A macro variable containing the Lua
|
|
[pattern](https://www.lua.org/pil/20.2.html) to search for. Due to the use
|
|
of special (magic) characters in Lua patterns, it is safer to pass the NAME
|
|
of the macro variable containing the string, rather than the value itself.
|
|
@param replacevar= The name of the macro variable containing the replacement
|
|
_string_.
|
|
@param outfile= (0) The file to write the output to. If zero, then the file
|
|
is overwritten in-place.
|
|
|
|
<h4> SAS Macros </h4>
|
|
@li ml_gsubfile.sas
|
|
|
|
<h4> Related Macros </h4>
|
|
@li mp_gsubfile.test.sas
|
|
|
|
@version 9.4
|
|
@author Allan Bowe
|
|
**/
|
|
|
|
%macro mp_gsubfile(file=0,
|
|
patternvar=,
|
|
replacevar=,
|
|
outfile=0
|
|
)/*/STORE SOURCE*/;
|
|
|
|
%if "%substr(&sysver.XX,1,4)"="V.04" %then %do;
|
|
%put %str(ERR)OR: Viya 4 does not support the IO library in lua;
|
|
%return;
|
|
%end;
|
|
|
|
%ml_gsubfile()
|
|
|
|
%mend mp_gsubfile;
|