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Salesforce 15-digit to 18-digit Id converter

Introduction

This repository contains some small code snippets in diffenent programming languages, that all have one purpose: converting Salesforce's case sensitive 15-digit Ids into the 18-digit Ids which aren't case sensitive. This might come in handy if you are working with a file system that isn't case sensitive and you want to write information to a file using the salesforce ids as filename for example.

Available Versions

  • JavaScript
  • Python
  • Go
  • OpenOffice/LibreOffice Macro
  • Google Spreadsheets script
  • PHP

Usage

Adding sf15to18.bas to OpenOffice/LibreOffice

  1. Open or create a spreadsheet in OpenOffice/LibreOffice
  2. Press Alt-F11 and create a new Basic Macro
  3. Create a new Macro
  4. Copy and paste the contents of sf15to18.bas to the editor
  5. Save the macro
  6. Use it in your spreadsheet. If you want to convert the value of Cell B1, you need to use the following formula for example: =sf15to18(B1)

Adding sf15to18.gs to Google Spreadsheets

  1. Open or create a spreadsheet on Google Spreadsheets
  2. Go to Tools -> Script editor
  3. Select Blank Project
  4. Copy and paste the contents of sf15to18.gs to the script editor
  5. Save the script as sf15to18
  6. Use it in your spreadsheet. If you want to convert the value of Cell B1, you need to use the following formula for example: =sf15to18(B1)

How it works

Getting the case insensitive 18-digit Id is an easy process which basically works like this:

  1. The 15-digit Id is split into three 5-digit segments.
  2. Each of these segments is then reversed.
  3. Every uppercase letter is replaced with a 1, every other digit with a 0.
  4. The three suffix-digits for the Id can then be looked up in a table, segment by segment (first segment gives the first digit, etc.). The table below shows an excerpt of such a table, which can be easily completed.

Lookup table

segment result suffix digit
00000 A
00001 B
00010 C
00011 D
00100 E
00101 F
... ...
11010 0
11011 1
11100 2
11101 3
11110 4
11111 5

Contributors

Major Contributors
Markus Slabina mslabina on Twitter mslabina on Github

License (MIT)

Copyright © 2018 Markus Slabina

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.