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what is the difference between x=substr(name,1,2);
and substr(name,1,2)='x';
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Answer / sattwik panda
x=substr(name,1,2) will return first two character of a string whereas substr(name,1,2)='x' will replace first two character by 'x'.
Please try using the code below to get an idea.
data test;
name="Sattwik";
x=substr(name,1,2);
substr(name,1,2)='x';
run;
x will have the first two characters of name:'Sa'.
substr(name,1,2)='x' will replace first two characters of "Sattwik". So, now the name will contain "xttwik".
| Is This Answer Correct ? | 46 Yes | 2 No |
Answer / oanhntt
x=substr(name,1,2) means you assign x value equal to the
first 2 characters of variable "name" while
substr(name,1,2)='x' just compare these fist 2 characters to
value 'x', so this seem useless without condition syntax
(correct one should be: if substr(name,1,2)='x' then /*do
some thing*/;).
| Is This Answer Correct ? | 4 Yes | 16 No |
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