To check if Folder exists in Python you can use the snippet below.
import os
print(os.path.exists("/myfolder/folder1"))
exist
How to check if a Object has an Attribute in Python
To check if a Object has an Attribute in Python you can use the snippet below.
Sample Python
if hasattr(myObject, 'myAttributeName'): # myObject.myAttributeName exists.
How to check if a variable exists in Python
To check if a variable exists in Python, you can use the snippet below.
Sample Python
if 'myVariable' in locals(): # myVariable exists locally. if 'myVariable' in globals(): # myVariable exists globally.
How to check if a Table exists in SQLite
To check if a Table exists in SQLite you can use the following snippet.
SELECT name FROM sqlite_master WHERE type='table' AND name='TableName'; -- temp tables can be selected by using ... FROM sqlite_temp_master ...
How to check if a file exists in C++
To check if a file exists in C++ you can use the following snippet.
Sample C++
#include <sys/stat.h>
inline bool fileExists (const std::string& fileName) {
struct stat buff;
return (stat (fileName.c_str(), &buff) == 0);
}
How to check if a file exists in C
To check if a file exists in C you can use the follwing snippet.
Sample C
#include <unistd.h>
int fileExists(const char *filename) {
return !access(filename, F_OK);
}
How to check if file or folder exists in Powershell
To check if file or folder exists in Powershell you can use the following snippet.
Sample Powershell
for files use it like this
if(test-path "C:\Users\Codesnippets\Desktop\Test.xml")
{
echo "exists!"
}
else
{
echo "not exists!"
}
for folders/directories use it like this
if(test-path "C:\Users\Codesnippets\Desktop")
{
echo "exists!"
}
else
{
echo "not exists!"
}
How to check if a file exists in Java
To check if a file exists in Java you can use the following snippet.
Sample Java
String filePath = "C:\\Users\\Codesnippets\\Desktop\\Test.xml";
File file = new File(filePath);
if (file.exists()) {
System.out.println("file " + filePath + " does exists!");
}
else {
System.out.println("file " + filePath + " does not exists!");
}