.functions

# Create a new directory and enter it
function mkd() {
    mkdir -p "$@" && cd "$_";
}

# Change working directory to the top-most Finder window location
function cdf() { # short for `cdfinder`
    cd "$(osascript -e 'tell app "Finder" to POSIX path of (insertion location as alias)')";
}

# Determine size of a file or total size of a directory
function fs() {
    if du -b /dev/null > /dev/null 2>&1; then
        local arg=-sbh;
    else
        local arg=-sh;
    fi
    if [[ -n "$@" ]]; then
        du $arg -- "$@";
    else
        du $arg .[^.]* *;
    fi;
}

# `o` with no arguments opens the current directory, otherwise opens the given
# location
function o() {
    if [ $# -eq 0 ]; then
        open .;
    else
        open "$@";
    fi;
}

# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
# the `.git` directory, listing directories first. The output gets piped into
# `less` with options to preserve color and line numbers, unless the output is
# small enough for one screen.
function tre() {
    tree -aC -I '.git|node_modules' --dirsfirst "$@" | less -FRNX;
}