csvlook implementation

[kadwanev]

Add ability to space out columns so they are easy to look at.

For delight: cat file.csv | csvcut -K 0,1 | csvlook

[DavyLandman]

How awesome!

I have some questions:

• Could you merge with the current upstream? It's your code, and you'll know best how to merge it.
• Can you add test for csvlook and the handling of the tab as separator in the other programs?

If you have questions on how to add tests, I'll be happy to point you in the right way.

[codecov-io]

Codecov Report

Merging #13 into master will decrease coverage by 5.56%. The diff coverage is 15.09%.

@@            Coverage Diff             @@
##           master      #13      +/-   ##
==========================================
- Coverage   69.45%   63.89%   -5.57%     
==========================================
  Files           7        8       +1     
  Lines         848      950     +102     
  Branches      186      214      +28     
==========================================
+ Hits          589      607      +18     
- Misses        197      280      +83     
- Partials       62       63       +1

Impacted Files	Coverage Δ
src/csvawk.c	51.03% <0%> (-0.02%)	:arrow_down:
src/csvgrep.c	71.68% <0%> (-0.32%)	:arrow_down:
src/csvcut.c	67.02% <0%> (-0.37%)	:arrow_down:
src/csvlook.c	16.49% <16.49%> (ø)
src/csv_tokenizer.c	81.93% <0%> (+0.11%)	:arrow_up:

---

Continue to review full report at Codecov.

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[codecov-io]

Current coverage is 64.05% (diff: 16.34%)

Merging #13 into master will decrease coverage by 5.39%

@@             master        #13   diff @@
==========================================
  Files             7          8     +1   
  Lines           848        946    +98   
  Methods          51         56     +5   
  Messages          0          0          
  Branches        186        213    +27   
==========================================
+ Hits            589        606    +17   
- Misses          197        277    +80   
- Partials         62         63     +1   

Powered by Codecov. Last update 31caeb6...efe7ca7

[kadwanev]

Hi Davy,

I won't be able to add test coverage. I'll leave it in your capable hands now.

[DavyLandman]

hmm, what should happen if a quoted cell contains a newline?

[kadwanev]

For cvslook, I think quotes should be removed, newlines should be stripped, etc. You're trying to take a quick look at the data perhaps after grep or cut. Come to think of it, I think default should stop after about 20 rows with a parameter to continue on the full file.

[DavyLandman]

I like the feature of stopping after n rows, perhaps it should be renamed to csvhead?