Programmer Guide/Command Reference/SUBSTR

SUBSTR

var := SUBSTR string [ start [ length ]]

-> var = 'string[start .. start+length-1]'

Get a substring of the string string. If no length is specified all characters from start to the end of the string are copied to var. If neither

string

The string from which to retrieve the substring.

start

The zero-based index of the first character of the substring. The default value is 0.

length

The length of the substring. If length is not specified then the length of the string minus start is used.

Remove the first character of a string.

#str := substr '$#str' 1