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Tab-Delimited List Comparison Tool

Input List A (editable)

Input Lines:   In A but not B:   Duplicate Lines:   Illegal Characters:
Errors Found:   Bracket Counters   [   ]   {   }

Input List B (editable)

Input Lines:   In B but not A:   Duplicate Lines:   Illegal Characters:
Errors Found:   Bracket Counters   [   ]   {   }

Tooltip Answer Compare Input Lists
Performs error check before and after list comparison.
(Click for full explanation in new page)
Tooltip Answer Compare Input Lists without Error-Checking
Compares the Input list without checking for list-errors.
(Click for full explanation in new page)
Tooltip Answer Clear All
Clear Input and Output Lists.
(Click for full explanation)
Tooltip Answer Load a Test List with No Errors
This list demonstrates the sorting capabilities.
(Click for full explanation)
Tooltip Answer Load a Test List with Included Errors
This list demonstrates how errors are caught and reported.
(Click for full explanation)
Tooltip Answer Delete Duplicate Lines
Delete all duplicate lines from the Output List, but not the Input List.
(Click for full explanation)

List Differences: In list A but not in list B     ('Flat File' format)

List Differences: In list A but not in list B     ('Tab-Indented' format)

List Differences: In list B but not in list A     ('Flat File' format)

List Differences: In list B but not in list A     ('Tab-Indented' format)

 

Instructions
This webpage provides access to an online tool which compares two different TAB-delimited lists of keywords that have been pasted into the 'Input List A' and 'Input List B' windows.

Unless 'Compare Input Lists without Error-Checking' is pressed, the program will perform a number of useful checks to locate the following common tab-indented list errors before list-comparison:

  • Illegal characters ,;<>|?
  • Missing or extra Square or Curly Brackets
  • Excess TAB characters
  • Blank Lines
  • Trailing TAB characters
  • Duplicate Lines
  • Non-ASCII characters

It will then compare the tab-indented lists, and show any differences in the four 'List Difference' windows below.

NB: This tool will NOT work if the entire list has been indented with extra TABs (i.e. if the first line has one or more leading TABs). Please remove these before using the Tab-Delimited List Sorting Tool. An easy way to do this is described on the Tab-Indented List Tutorial page.

You can't type a Tab-character into the Input List, but you can copy and paste one from somewhere else.

If no list has been pasted into the 'Input List' windows, two error-free test lists are displayed with some included differences between them. Try deleting or adding some more lines to see the List Comparison in action. There is also a test list with a range of errors available, that is useful to check error-trapping. Click 'Clear All' to clear the lists.

For further information, please see the Tab-Delimited List Sorting and Error-Check Tool Help Page.

If you want to error-check and merge two tab-indented lists, see the Tab-Delimited List Merge Tool.

If you want to see what a tab-indented list will look like when its loaded into your image-processing program, see the Tab-Delimited List Visualisation and Error-Check Tool.

If you need additional tools for error-correction and common list-processing tasks, see the Tab-Delimited List Sorting and Error-Check Tool.

If you find the Tab-Delimited List Comparison Tool useful I'd appreciate a mention in your Blog and any online groups.

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