Redirection inside call to execvp() not working

Question

I\'ve been implementing a small program that executes a given command using execvp(). It works fine when not using redirection, but when I run a command such as:

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Answer 1

It seems like the easiest thing to do is:

execlp( "/bin/sh", "/bin/sh", "-c", "cat file1.txt > redirected.txt", (char *)NULL );

You can do the same with execvp.