shenwei356 / shenwei356/csvtk

Horizontal file concatenation

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low priority new command
Dominant language
Go
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Description

Hi,
is there a way to concatenate two files horizontally?

Starting from

field1,field2
0,a
1,b
3,a

and

field3,field4
0,a
1,b
3,a

obtain

field1,field2,field3,field4
0,a,0,a
1,b,1,b
3,a,3,a

Thank you

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Research direction

No source files, tests, or entry points are named. Start by locating the existing command-line concatenation or join functionality, then compare its behavior with the two CSV examples; done means a documented command produces the shown horizontally combined headers and rows.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
cli
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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