bash-run-template

#!/bin/bash

# - Functions that start with =_= are not shown by the ~help~ task.
# - Add a description by setting a variable with the function name replacing
#   `-` with `_` an suffixing it with `_info`.

example_info="Example task"
function example {
    echo "Task is not defined"
}


################################################################################
# Script help and run commands

function _help {
    local tasks=$(grep --only-match '^\s*function\s\+[^_]\S\+' $0 | sed 's/^[ \t]*function[ \t]*//')
    local lines=""
    for task in ${tasks[*]}
    do
        local info=${task//-/_}_info
        lines+="- $task\t${!info}\n"
    done
    echo "run <task> [<args>]"
    echo "Available tasks:"
    echo -e $lines | column -t -s$'\t'
}

TIMEFORMAT="Task completed in %3lR"
time ${@:-_help}