Local pastebin service to quickly share some code snippet with other people on your network. To share what is in your clipboard use $ pst.sh [lang]

pst.sh

#!/bin/bash

set -o nounset
set -o errexit

TMP_DIR_PREFIX='pst'
TMP_FILE_SUFFIX='.html'
TMPDIR=${TMPDIR:-'/tmp'}
DEFAULT_LEXER='python'  # change this to your preferred language
DEFAULT_PORT='8000'

check_deps() {
    # 2>- is eqvivalent to 2>/dev/null
    if hash xsel 2>-; then
        get_clipboard() { xsel -b; }
    elif hash xclip 2>-; then
        get_clipboard() { xclip -o -selection clipboard; }
    else
        echo 'xsel or xclip is required but not found.  Aborting.' >&2
        exit 1
    fi

    if hash python3 2>-; then
        serve_http() { python3 -m http.server; }
    elif hash python2 2>-; then
        serve_http() { python2 -m SimpleHTTPServer; }
    else
        echo 'python3 or python2 is required but not found.  Aborting.' >&2
        exit 1
    fi
}

create_pst_dir() {
    mktemp --tmpdir="$1" --directory ${TMP_DIR_PREFIX}-XXX
}

create_pst_file() {
    mktemp --tmpdir="$1" XXX${TMP_FILE_SUFFIX}
}

get_or_create_pst_dir() {
    local dir
    for d in "${TMPDIR}/${TMP_DIR_PREFIX}-"*; do
        [[ -d ${d} ]] && dir=$d && break
    done
    echo "${dir:-$(create_pst_dir ${TMPDIR})}"
}

highlight_code() {
    if ! curl --data "lexer=${1}" --data-urlencode "code=${2}" \
            --silent -S --fail http://hilite.me/api; then
        echo "Probably unknown lexer '${1}'" >&2
        echo "For available lexers check http://pygments.org/docs/lexers/" >&2
        exit 1
    fi
}

main() {
    check_deps
    local pst_dir=$(get_or_create_pst_dir)
    local lexer=${1:-$DEFAULT_LEXER}
    local pst_path=$(create_pst_file "$pst_dir")
    local pst_name=${pst_path##*/}
    local code=$(get_clipboard)
    highlight_code "$lexer" "$code" > $pst_path
    local ipaddrs=$(
        ip -o -4 addr show | \
        awk '$3=="inet" && $4 !~ /^127/ {split($4,inet,"/"); print inet[1] }'
    )
    for ip in $ipaddrs; do
        echo "Serving paste at http://$ip:${DEFAULT_PORT}/${pst_name}"
    done
    cd "$pst_dir"
    serve_http "${DEFAULT_PORT}"
}

main "$@"