3.68 mvcount - Calculate Vector Size

Calculate the size of vector (number of elements in a vector) .

An example is shown in Table 3.38 - 3.38.

Table 3.38: Input data

in.csv

no	items
1	a b c
2	a d
3	b f e f
4

: Caption text

Basic example mvcount vf=items:size i=in.csv

no	items	size
1	a b c	3
2	a d	2
3	b f e f	4
4		0

Format

mvcount vf= [i=] [o=] [delim=] [-nfn] [-nfno] [-x] [--help] [--version]

`vf=`	Specify the field names (from input file `i=`) of vectors to count the number of elements.
	Field name(s) of result(s) can be defined with `:` followed after the vector name.
	Multiple vectors can be specified.

Example

Example 1: Count multiple vectors

$ more dat1.csv
items1,items2
b a c,b
c c,
e a a,a a a
$ mvcount vf=items1:size1,items2:size2 i=dat1.csv o=rsl1.csv
#END# kgVcount i=dat1.csv o=rsl1.csv vf=items1:size1,items2:size2
$ more rsl1.csv
items1,items2,size1,size2
b a c,b,3,1
c c,,2,0
e a a,a a a,3,3

3.68 mvcount - Calculate Vector Size

Format

Example

Example 1: Count multiple vectors

Related command