15-detect-clipboard.zsh

#!/usr/env/bin zsh

detect-clipboard () {
	# emulate -L zsh - use it with other shells
	if [[ "${OSTYPE}" == darwin* ]] && (( ${+commands[pbcopy]} )) && (( ${+commands[pbpaste]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | pbcopy
		}
		clippaste () {
			pbpaste
		}
	elif [[ "${OSTYPE}" == (cygwin|msys)* ]]
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" > /dev/clipboard
		}
		clippaste () {
			cat /dev/clipboard
		}
	elif (( $+commands[clip.exe] )) && (( $+commands[powershell.exe] ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | clip.exe
		}
		clippaste () {
			powershell.exe -noprofile -command Get-Clipboard
		}
	elif [ -n "${WAYLAND_DISPLAY:-}" ] && (( ${+commands[wl-copy]} )) && (( ${+commands[wl-paste]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | wl-copy &> /dev/null &|
		}
		clippaste () {
			wl-paste --no-newline
		}
	elif [ -n "${DISPLAY:-}" ] && (( ${+commands[xsel]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | xsel --clipboard --input
		}
		clippaste () {
			xsel --clipboard --output
		}
	elif [ -n "${DISPLAY:-}" ] && (( ${+commands[xclip]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | xclip -selection clipboard -in &> /dev/null &|
		}
		clippaste () {
			xclip -out -selection clipboard
		}
	elif (( ${+commands[lemonade]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | lemonade copy
		}
		clippaste () {
			lemonade paste
		}
	elif (( ${+commands[doitclient]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | doitclient wclip
		}
		clippaste () {
			doitclient wclip -r
		}
	elif (( ${+commands[win32yank]} ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | win32yank -i
		}
		clippaste () {
			win32yank -o
		}
	elif [[ $OSTYPE == linux-android* ]] && (( $+commands[termux-clipboard-set] ))
	then
		clipcopy () {
			cat "${1:-/dev/stdin}" | termux-clipboard-set
		}
		clippaste () {
			termux-clipboard-get
		}
	elif [ -n "${TMUX:-}" ] && (( ${+commands[tmux]} ))
	then
		clipcopy () {
			tmux load-buffer "${1:--}"
		}
		clippaste () {
			tmux save-buffer -
		}
	else
		_retry_clipboard_detection_or_fail () {
			local clipcmd="${1}" 
			shift
			if detect-clipboard
			then
				"${clipcmd}" "$@"
			else
				print "${clipcmd}: Platform $OSTYPE not supported or xclip/xsel not installed" >&2
				return 1
			fi
		}
		clipcopy () {
			_retry_clipboard_detection_or_fail clipcopy "$@"
		}
		clippaste () {
			_retry_clipboard_detection_or_fail clippaste "$@"
		}
		return 1
	fi
}