Semi-Functional Programming in Bash

functional.sh

my_name_function() {

    # There aren't many use cases where we would really want to do things this
    # way instead of just using a global. Unless we are writing libraries in bash (the horror)
    # or have an extremely large script where we are not sure we won't be clobbering
    # variable names (equally terrifying)

    local  __assign_my_results_to_this_variable=$1

    local do_some_work=$(echo $ALL_MY_COMMANDS_NAMES | grep -v "bad commands")

    # This will take your first argument and use it as the variable name to
    # which we assign the results of some other action
    eval $__assign_my_results_to_this_variable="'${do_some_work}'"

}

my_outer_function() {

    my_function good_commands

    for command in ${good_commands}
    do
        # Now we call our commands, in this case with a subshell
        (${command})
    done

}