Difference between revisions of "Implementation of SUBSTR() command"

Revision as of 20:28, 10 September 2016

This is a standard DMIS 5.2 command able to extract a substring from a string.

See Reading a Substring from a variable for the use of this capability.

@@ Line 1: / Line 1: @@
-: this is a standard [[DMIS]] 5.2 command able to extract a substring from a string.<br />
+This is a standard [[DMIS]] 5.2 command able to extract a substring from a string.<br />
-The command is:<br />
- SUBSTR(str,x var_8)
-<br />
-Where:
- str: is the string to be tested
- x: is the position where to start
- y: is the position where to stop (this is an optional parameter, if missing the string is extracted to the end)<br />
-An example of use is:<br />
- DECL/CHAR,100,str1,str2
+See [[Reading a Substring from a variable]] for the use of this capability.
- str1=[[Assign|ASSIGN]]/'My full String'
- $$reading the string from char #4 to char #7
- str2=[[Assign|ASSIGN]]/SUBSTR(str1,4,7)
 [[Category:ReadMe3.4.155]]