eval in javascrip code example
Example 1: javascript execute string code
var theInstructions = "alert('Hello World'); var x = 100";
var F=new Function (theInstructions);
return(F());
Example 2: eval
Just use eval command for running string output. As for example:
eval $cmd #execute command included in string value of $cmd variable
Or for a more sophisticated use run commands stored in lines of a file:
cat commands_file.txt | while read line; do eval $line; done