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Questions - readfile

Failed to append data in .json file using node

I want to append my data which is array of object format to the existing .json file so I have written code for it, but on stackoverflow I noticed so many developers suggesting before appending to exi...
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faraz

javascript

node.js

json

fs

readfile

Votes: 0

Answers: 1

Latest Answer

This error is because you are using the .writeFile in a wrong way. Try something like this: fs.writeFile('results.json', JSON.stringify(newData), function(err) { if (err) throw err; }); A short ...
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Helio Albano

For loop to read multiple csv files in R from different directories

I have multiple directories within one common directory and each containing a CSV file (and some other files too). I want to read all the CSV files using FOR loop in R. The name of each directory (wit...
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Muhammad Usama Ashraf

r

loops

csv

for-loop

readfile

Votes: 0

Answers: 1

Latest Answer

You are trying to use string interpolation, which does not exist in R. Look at the output of this: files <- c(21,22,29,30,34,65,66,69,70,74) for(i in files) { ...
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SamR

How to return an array from reading a file?

I have two columns in a CSV file. I am accessing only the first column using the SearchData() function. The problem is that I want to access the data as an array but when I return an array string in t...
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Veins Tree

arrays

go

readfile

Votes: 0

Answers: 1

Latest Answer

This should do the trick: func firstColumns(filename string) []string { f, err := os.Open(filename) if err != nil { log.Fatal(err) } defer f.Close() r := csv.NewReader(f) ...
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Dylan Reimerink

python read file iand create a dictionary with real, integer and string

I would like to read a file with different characteristics and to transfer what I read to a dictionary. The problem is that, as far I have understood, all the data are read as string. This is a proble...
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diedro

python

arrays

dictionary

readfile

Votes: 0

Answers: 1

Latest Answer

you could do something like this: with open('text.txt') as f: for line in f: c_line = line.split(",") if ',' in line else line.split() print(c_line) ...
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XxJames07-

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