“o arquivo existe” Respostas de código

existe o arquivo c#

if (File.Exists("file.exe"))
{
	//file exist
} else {
  //does not exist
}
Binary Killer

Verifique se existe um arquivo

>>> import os
>>> os.path.isfile("d:\\Package1\\package1\\fibo.py")
True
>>> os.path.isfile("d:/Package1/package1/fibo.py")
True
>>> os.path.isfile("d:\\nonexisting.txt")
Dead Deer

# Verifique se o arquivo existe

# check if file exists
from os.path import exists
file_exists = exists("/content/sample_data/california_housing_test.csv")
print(file_exists)
#True

from pathlib import Path
path = Path("/content/sample_data/california_housing_test.csv")
path.is_file()
#False
Impossible Impala

o arquivo existe

from pathlib import Path

if Path('filename.txt').is_file():
    print ("File exist")
else:
    print ("File not exist")
Beautiful Bird

Existe arquivo

#define BOOST_FILESYSTEM_VERSION 3
#define BOOST_FILESYSTEM_NO_DEPRECATED 
#include <boost/filesystem.hpp>

namespace fs = boost::filesystem;

/**
 * \brief   Return the filenames of all files that have the specified extension
 *          in the specified directory and all subdirectories.
 */
std::vector<fs::path> get_all(fs::path const & root, std::string const & ext)
{
    std::vector<fs::path> paths;

    if (fs::exists(root) && fs::is_directory(root))
    {
        for (auto const & entry : fs::recursive_directory_iterator(root))
        {
            if (fs::is_regular_file(entry) && entry.path().extension() == ext)
                paths.emplace_back(entry.path().filename());
        }
    }

    return paths;
}
ashwin rajendran

O arquivo de verificação existe

[ -f /etc/resolv.conf ] && { echo "$FILE exist."; cp "$FILE" /tmp/; }
Redouan Rida

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