(F)uzzy C(at) select files and directories and send contents to stdout w/ filename prepended (deps: fd, fzf, bat)

fat.sh

# (F)uzzy C(at) select files and directories and send contents to stdout w/ filename prepended (deps: fd, fzf, bat)
function fat() {
    # fd is much faster than find and excludes hidden files by default
    fd --type file --type directory --exclude "node_modules" | \
    sort | \
    fzf \
        --multi \
        --preview 'if [ -d {} ]; then tree -C -L 1 {} | head -50; else bat --color=always --style=header {} | head -50; fi' \
        --bind "tab:toggle,shift-tab:toggle+up,ctrl-space:toggle-preview" \
        --header 'Tab: select | Ctrl-Space: toggle preview' | while read -r selection; do
        if [[ -d "$selection" ]]; then
            fd --type file . "$selection" | xargs -I{} bat --decorations=always --style=header "{}"
        elif [[ -f "$selection" ]]; then
            bat --decorations=always --style=header "$selection"
        fi
    done
}

# usage `fat | pbcopy`