Fish Copy/Paste utility functions (requires wl-copy or xclip package installed)

p.fish

function p --description 'Put from clipboard'
    # Check for help flag
    if contains -- -h $argv; or contains -- --help $argv
        echo "Usage: p [OPTIONS]"
        echo ""
        echo "Description:"
        echo "  Pastes content from the system clipboard to stdout."
        echo ""
        echo "Examples:"
        echo "  p                Print clipboard content"
        echo "  p > file.txt     Save clipboard to a file"
        echo "  p | grep 'foo'   Pipe clipboard content to another command"
        echo "  cat (p)          Use clipboard content as a filename for cat"
        return 0
    end

    # Determine the clipboard provider
    set -l paste_cmd
    if type -q wl-paste
        set paste_cmd wl-paste
    else if type -q xclip
        set paste_cmd xclip -selection clipboard -o
    else
        echo "Error: No clipboard provider (wl-paste or xclip) found." >&2
        return 1
    end

    # Execute the paste command with any provided arguments
    $paste_cmd $argv
end

y.fish

function y --description 'Yank to clipboard'
    # Check for help flag
    if contains -- -h $argv; or contains -- --help $argv
        echo "Usage: y [TEXT] or [COMMAND] | y"
        echo ""
        echo "Examples:"
        echo "  y \"hello world\"    Copy a string directly"
        echo "  ls | y             Copy output of a command"
        echo "  y < file.txt       Copy contents of a file"
        echo "  cat file.txt | y   Another way to copy a file"
        return 0
    end

    # Determine the clipboard provider
    set -l copy_cmd
    if type -q wl-copy
        set copy_cmd wl-copy
    else if type -q xclip
        set copy_cmd xclip -selection clipboard
    else
        echo "Error: No clipboard provider (wl-copy or xclip) found." >&2
        return 1
    end

    # Handle input
    if set -q argv[1]
        # If arguments are provided, echo them to the clipboard
        echo $argv | eval $copy_cmd
    else
        # If no arguments, read from stdin (pipes/redirects)
        eval $copy_cmd
    end
end