[asterisk-commits] branch 1.2 - r7470 /branches/1.2/doc/README.variables

[asterisk-commits at lists.digium.com]

Author: kpfleming
Date: Tue Dec 13 12:54:22 2005
New Revision: 7470

URL: http://svn.digium.com/view/asterisk?rev=7470&view=rev
Log:
clarify substring documentation

Modified:
    branches/1.2/doc/README.variables

Modified: branches/1.2/doc/README.variables
URL: http://svn.digium.com/view/asterisk/branches/1.2/doc/README.variables?rev=7470&r1=7469&r2=7470&view=diff
==============================================================================
--- branches/1.2/doc/README.variables (original)
+++ branches/1.2/doc/README.variables Tue Dec 13 12:54:22 2005
@@ -94,17 +94,17 @@
 
 
 
-_______________________________
-REMOVING CHARACTERS FROM STRING
--------------------------------
-
-The format for removing characters from a variable can be expressed as:
+___________________________________
+SELECTING CHARACTERS FROM VARIABLES
+-----------------------------------
+
+The format for selecting characters from a variable can be expressed as:
 
 	${variable_name[:offset[:length]]}
 
-If you want to remove the first N characters from the string assigned
+If you want to select the first N characters from the string assigned
 to a variable, simply append a colon and the number of characters to
-remove from the beginning of the string to the variable name.
+skip from the beginning of the string to the variable name.
 
 	;Remove the first character of extension, save in "number" variable
 	exten => _9X.,1,Set(number=${EXTEN:1})
@@ -115,7 +115,7 @@
 digit.
 
 If you use a negative offset number, Asterisk starts counting from the end 
-of the string and then removes everything before the new position. The following
+of the string and then selects everything after the new position. The following
 example will save the numbers 1234 to the 'number' variable, still assuming
 we've dialed 918005551234.