fork download
copy 
  1. FOO = 123
  2.  
  3. echo $(FOO)
Success #stdin #stdout #stderr 0.01s 5288KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 

	

		
	 
	
		
	
		 stderr
					

				
				 copy
			

			

	

        
./prog.sh: line 1: FOO: command not found
./prog.sh: line 3: FOO: command not found


    

	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			

			                        







			
			

				

	
					
					 https://ideone.com/tqhhnv
					
					
					
					
					

												

												
						
						

					

					
					
					

						
language:

						
Bash (bash 5.0.3)

					

					

						
created:
								
						
10 days ago

					

					

						
visibility:

						

							 public																												
							
							

								
							

						

					

										
										

					
					 Share or Embed source code
					
					
					
					

						
						
						
						
						
						
						
					

					
						
	
	
	
	
					
					
					
					
					 
					
					
					
					 
					
					
					
					
					
					

					

					

					
						
					

					


	
Discover > Sphere Engine API

	
The brand new service which powers Ideone!

	
	
Discover > IDE Widget

    
Widget for compiling and running the source code in a web browser!