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Execute system command in program and get the result

JavaScript Perl PHP Python Ruby Shell

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Output

Current time like this

Mon Dec  9 07:08:08 JST 2019

Code examples

JavaScript

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const execSync = require('child_process').execSync;
let result = execSync('date').toString();
console.log(result);

PHP

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<?php
exec('date', $rtn);
print($rtn[0]."\n");

Perl

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my $result = `date`;
print($result."\n");

Python

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import subprocess
result = subprocess.check_output(["date"], shell=True).decode("UTF-8")
print(result)

Ruby

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result = `date`
print(result)

Shell

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#!/bin/sh
RESULT=`date`;
echo $RESULT;
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