pager

#!/bin/bash
# after: term

if command -v less>/dev/null; then
    PAGER="$(command -v less)"

    # sets default options to less
    LESS='-SMRci'
    # -S truncate rather than wraplong lines; type at runtime to toggle
    # -M verbose prompts
    # -R pass through raw control codes (e.g. ANSI color sequences)
    # -c better full screen repaints
    # -i case insensitive searches

    # Colors for less, especially useful for man pages
    export LESS_TERMCAP_mb=$(printf '\e[01;31m')    # begin blinking
    export LESS_TERMCAP_md=$(printf '\e[01;31m')    # begin bold
    export LESS_TERMCAP_me=$(printf '\e[0m')        # end mode
    export LESS_TERMCAP_so=$(printf '\e[01;44;30m') # begin standout-mode - info box and search matches
    export LESS_TERMCAP_se=$(printf '\e[0m')        # end standout-mode
    export LESS_TERMCAP_us=$(printf '\e[01;32m')    # begin underline
    export LESS_TERMCAP_ue=$(printf '\e[0m')        # end underline


    if [ "$COLORTERM" = "truecolor" ]; then
        # Upgrade to darkula scheme when in a truecolor terminal
        export LESS_TERMCAP_mb=$'\E[38;2;135;135;175m '            # begin blinking
        export LESS_TERMCAP_md=$'\E[38;2;95;135;95m'               # begin bold
        export LESS_TERMCAP_me=$'\E[0m'                            # end mode
        export LESS_TERMCAP_so=$'\E[38;2;18;18;18;48;2;215;175;0m' # begin standout-mode - info box and search matches
        export LESS_TERMCAP_se=$'\E[0m'                            # end standout-mode
        export LESS_TERMCAP_us=$'\E[38;2;135;135;175m '            # begin underline
        export LESS_TERMCAP_ue=$'\E[0m'                            # end underline
    elif [ "$(tput colors)" -eq 256 ] || [[ $TERM == *-256color ]]; then
        # Upgrade some of the colors in 256 color terminals
        export LESS_TERMCAP_md=$'\E[01;38;5;74m'
        export LESS_TERMCAP_so=$'\E[38;5;220m'
        export LESS_TERMCAP_us=$'\E[04;38;5;146m'
    fi

    export LESS PAGER
fi