String prepend

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Revision as of 03:14, 3 October 2013 by rosettacode>NevilleDNZ (initial draft task)
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Task
String prepend
You are encouraged to solve this task according to the task description, using any language you may know.

Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.

You may see other such operations in the Basic Data Operations category, or:

Integer Operations
Arithmetic | Comparison

Boolean Operations
Bitwise | Logical

String Operations
Concatenation | Interpolation | Comparison | Matching

Memory Operations
Pointers & references | Addresses

Create a string variable equal to any text value. "Prepend" the string variable with another string literal.

To illustrate the operation, show the content of the variable.

ALGOL 68

Works with: ALGOL 68 version Revision 1.
Works with: ALGOL 68G version Any - tested with release algol68g-2.7.

File: String_prepend.a68<lang algol68>#!/usr/bin/a68g --script #

  1. -*- coding: utf-8 -*- #

STRING str := "12345678"; "0" +=: str; print(str)</lang>Output:

012345678

python

File: String_prepend.py<lang python>#!/usr/bin/env python

  1. -*- coding: utf-8 -*- #

str = "12345678"; str = "0" + str; # by concatination # print(str)</lang>Output:

012345678