Adding linux commands to C programs

[Nyah Check]

Hi Guys,

I'm currently working on a program which sorts a file and returns all the words in a file together with their frequencies, I'm thinking of using linux commands like "wc" "sort" and others which I know can do the Job I'm thinking of a way of integrating these commands directly into the c program including 'probably' the necessary header files and libraries, without actually calling the commands with argv. Could some one please help me out here?

Thanks,
Nyah

[Nyah Check]

I'm thinking probably of using 'getopt' and optarg here, but not sure how.

[Elkvis]

look at the exec family of functions, and popen. popen is probably the best choice for what you want to do.