Hi, I'm trying to format a table with data like 
<data>
aaa   bbb   123
aaa   ccc   234
aaa   ddd   345
bbb   ccc   456
bbb   ddd   567
ccc   ddd   678
...
</data>

[download]
Output format: 
      aaa   bbb   ccc   ddd
aaa   -     123   234   345   
bbb         -     456   567
ccc               -     678

[download]
Can't figure out the way... Can you give me suggestions? Thanks in advance, Antonio

In reply to table from repeated strings text by anhanijr

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