c-csv | A small C program that parses CSV | CSV Processing library
kandi X-RAY | c-csv Summary
kandi X-RAY | c-csv Summary
CSV Parser in C =. This is a simple project to compare parsing CSV with high-level languages, specifically F# and Clojure. This is terrible code, and I feel bad. Please don’t follow my example.
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QUESTION
People, I decided to rewrite this post entirely to show it in a clear way.
First of all, thanks for all the support. I appreciate that.
This is the exercise in "The Clojure Workshop - Packt" where i've got stuck:
(My IDE is IntelliJ and i'm using Windows).
Exercise 4.10: Importing Data from a CSV File
1. Create a folder somewhere convenient on your computer.
I decided to create an entirely new project.
Is there any difference here while choosing between Leiningen or Deps? I most of the time use Leiningen, but should i use Deps because i am gonna use a deps.edn file?
2. Download the match_scores_1991-2016_UNINDEXED.csv file to the folder you created. (here on github)
But where should i download this file? Into the src file inside the project file or any file works? Is there any difference?
I decided to save inside de src.
3. In your editor, in the same folder, create a deps.edn file with the following contents:
...ANSWER
Answered 2021-Jan-05 at 22:36I'll try to answer all the questions here and get you to the next stage:
Leiningen uses a
project.clj
file. The Clojure CLI uses adeps.edn
file. Since the book is asking you to create adeps.edn
file, you'll need to use the Clojure CLI, not Leiningen, to start a REPL and/or run the code. More on this below.The book expects you to download the
.csv
file to whichever folder you created in step 1. The folder that contains yourdeps.edn
file. Looking at your screenshots, it looks like you asked Cursive/IntelliJ to create a Leiningen-based project. If you start again and ask Cursive/IntelliJ to create a Deps-based project, you'll have adeps.edn
file at the top of the project, which you can edit to look like what the book wants, and you'll end up with:
deps.edn
match_scores_1991-2016_unindexed.csv
src
(and maybe some other files that Cursive/IJ might create)
Per my comments in 2. above, you'll have a
deps.edn
file -- created by Cursive/IJ -- that you can edit, in the top of the project.The error you got was because you created a Leiningen project, and then started a Leiningen REPL -- and it doesn't know about
deps.edn
so it won't see what you added there (even if you'd put it in the top of the project, next toproject.clj
). So Leiningen didn't know you wanted the CSV library and therefore it wasn't available in the REPL when you tried torequire
it -- and because therequire
failed, you didn't get thecsv
alias and so the call tocsv/read-csv
failed to compile.
Two points about the Clojure CLI:
a. It's substantially simpler to use than Leiningen and requires much less structure in a project. You could create a Deps-based project manually at the command line. Open a Command Prompt (cmd.exe
) and you can do the following:
QUESTION
good afternoon.
I want to ask how can I write the directory path to not specify it? Like in the code: I know that is incorrect.
...ANSWER
Answered 2020-Nov-20 at 12:18If you do not specify any path in download.file
it will download the data into working directory which you can read directly.
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