"함수 readAllText()"의 두 판 사이의 차이

62번째 줄: 62번째 줄:
       return "";
       return "";
   }
   }
}
</syntaxhighlight>
==Go==
[[분류: Go]]
{{참고|Go ReadAllText()}}
<syntaxhighlight lang='go' run>
package main
import (
"bytes"
"fmt"
"io"
"os"
)
func ReadAllText(filePath string) (text string, err error) {
buf := bytes.NewBuffer(nil)
f, err := os.Open(filePath)
if err != nil {
return "", fmt.Errorf("error on Open: %w", err)
}
defer f.Close()
_, err = io.Copy(buf, f)
if err != nil {
return "", fmt.Errorf("error on Open: %w", err)
}
text = string(buf.Bytes())
return text, nil
}
func main() {
text, err := ReadAllText("/etc/hosts")
if err != nil {
panic(err)
}
fmt.Println(text)
}
}
</syntaxhighlight>
</syntaxhighlight>

2023년 4월 13일 (목) 02:45 판

  다른 뜻에 대해서는 PHP file_get_contents() 문서를 참조하십시오.
함수 ReadAllText()
함수 file_get_contents()
read

1 Bash

str=`cat test.txt`
# John Smith

2 C

char* buffer = 0;
long length;

FILE* fp = fopen("/etc/lsb-release", "rb");
fseek( fp, 0, SEEK_END );
length = ftell( fp );
fseek( fp, 0, SEEK_SET );
buffer = malloc( length );
fread( buffer, 1, length, fp );
fclose( fp );

printf("%s", buffer);

3 Cmd

for /f "delims=" %a in ('type test.txt') do @set str=%a
echo %str%

4 C#

string str = System.IO.File.ReadAllText(@"test.txt");
// John Smith
public static string file_get_contents(string filepath)
{
   try
   {
       if (filepath.ToLower().IndexOf("tp://") > 0)
       {
           System.Net.WebClient wc = new System.Net.WebClient();
           byte[] response = wc.DownloadData(filepath);
           return System.Text.Encoding.UTF8.GetString(response);
       }
       System.IO.StreamReader sr = new System.IO.StreamReader(filepath);
       string contents = sr.ReadToEnd();
       sr.Close();
       return contents;
   }
   catch
   {
       return "";
   }
}

5 Go

package main

import (
	"bytes"
	"fmt"
	"io"
	"os"
)

func ReadAllText(filePath string) (text string, err error) {
	buf := bytes.NewBuffer(nil)
	f, err := os.Open(filePath)
	if err != nil {
		return "", fmt.Errorf("error on Open: %w", err)
	}
	defer f.Close()
	_, err = io.Copy(buf, f)
	if err != nil {
		return "", fmt.Errorf("error on Open: %w", err)
	}
	text = string(buf.Bytes())
	return text, nil
}

func main() {
	text, err := ReadAllText("/etc/hosts")
	if err != nil {
		panic(err)
	}
	fmt.Println(text)
}

6 Java

String content = new String(Files.readAllBytes(Paths.get("test.txt")));
System.out.println(content);
String content = new String(Files.readAllBytes(Paths.get(System.getProperty("user.dir"),"test.txt")));
System.out.println(content);
String content = "";
try {
	URI uri = getClass().getClassLoader().getResyntaxhighlight("test.txt").toURI();
	content = new String(Files.readAllBytes(Paths.get(uri)));
} catch (URISyntaxException | IOException e) { e.printStackTrace(); }
System.out.println( content );
URL url = new URL("https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt");
Scanner scanner = new Scanner(url.openStream(), "UTF-8");
scanner.useDelimiter("\\A");
String content = scanner.next();
scanner.close();
System.out.println(content);
URL url = new URL("https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt");
BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
String line;
String content = "";
while ((line = in.readLine()) != null) content += line + System.getProperty("line.separator");
System.out.println(content);
URL url = new URL("https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt");
BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
String line;
List<String> lines = new ArrayList<String>();
while ((line = in.readLine()) != null) lines.add(line);
String content = String.join(System.getProperty("line.separator"), lines);
System.out.println(content);

7 JavaScript

var xhr = new XMLHttpRequest();
xhr.open("GET",'https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt',false);
xhr.send();
console.log( xhr.responseText );
function file_get_contents(url) {
	var xhr = new XMLHttpRequest();
	xhr.open("GET", url, false);
	xhr.send();
	return xhr.responseText;
}
console.log( file_get_contents('https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt') );

8 Lua

f = io.open('test.txt','rb')
content = f:read('*all')
f:close()
print( content )

9 Objective-C

//  ViewController.h
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController <NSURLConnectionDelegate> {
    NSURLConnection* urlconn;
}
@end
//  ViewController.m
#import "ViewController.h"
@interface ViewController ()
@end

@implementation ViewController
- (void)viewDidLoad {
    [super viewDidLoad];
    urlconn = [[NSURLConnection alloc] initWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt"]] delegate:self];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
    NSLog(@"%@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
}
@end

10 PHP

$str = file_get_contents('test.txt');
// John Smith

11 Python

f = open('name.txt')
print( f.read() )
f.close()
with open('name.txt') as f:
    content = f.read()
print( content )

12 Perl

open my $in, '<', 'name.txt';
local $/;
my $contents = <$in>;
close($in);
print $contents;

13 Ruby

str = open('test.txt').read
# John Smith
require 'open-uri'
h = open('https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt);
contents = h.read
print contents

14 UnityScript

var www:WWW = new WWW("https://raw.githubusercontent.com/jmnote/test1/master/utf8test.txt");
yield www;
Debug.Log(www.text);

15 같이 보기

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