gets mid part of string

just like excel's mid func

mid(text, start_num, num_char)

Arguments

text	stuff to parse
start_num	PARAM_DESCRIPTION
num_char	how many characters should be returned

Value

the `num_char` length of chars in the middle of the inputed string

Details

DETAILS

Examples

if (FALSE) {
if(interactive()){
 #EXAMPLE1
 }
}