len()

Here’s how to use len() function.

A .len()

Description:

Get the length of a sequence.

Syntax:

A.len()

Note:

The function gets the length of sequence A.

Parameter:

A	Sequence object

Return value:

An integer

Example:

	A
1	=[1,2,4]
2	=A1.len()	3
3	=["a","b"].len()	2
4	=[]
5	=A4.len()	0

T.len()

Description:

Get the number of records in a memory table.

Syntax:

T.len()

Note:

The function gets the number of records in memory table T.

Parameter:

T	A memory table

Return value:

An integer

Example:

	A
1	=demo.query("select EID,NAME,GENDER from employee where EID< 10").cursor()	Return cursor of retrieved data
2	=A1.memory()	Return a memory table
3	=A2.len()	9

len()

Description:

Compute the length of a string.

Syntax:

len(s,cs)

Note:

The function computes the length of a string. calculate the string’s length in Unicode if parameter cs is absent.

Parameter:

s	String for which you want to compute the length
cs	Charset; can be omitted

Return value:

An integer

Example:

len("esproc")	6
len(" esproc ")	8
len("esproc",)	6
len("esproc","UTF-8")	6