remoce extra end of the line when used with --clip

rhpaste.sh

# Helper for determining if this is MacOS
_is_osx() {
    uname | grep --quiet -i Darwin && echo 1 || echo 0
}

function rhpaste() {
    # -c will take link generated by rhpaste and put it in clipboard
    # -d will dump contents of response as a browser would receive
    # usage rhpaste <filename> or via pipe e.g.: git show|rhpaste
    #       rhpaste file1 file2
    #       rhpaste file1 -c
    language=text
    author=Anonymous
    expiry=m
    clip=0
    dump=0
    local clipCmd='xclip -sel clip'
    [ $(_is_osx) -eq 1 ] && clipCmd='pbcopy'

    #set -x
    local clipCmdShort=$(echo "$clipCmd" | cut -d " " -f1)
    local redir='>&2 2>/dev/null'


    local i=1 plain arg opt
    while [ $i -le $# ]; do
        eval "arg=\${$i}"
        local eqopt="$(echo "$arg" | cut -d= -f2-)"
        if [ -n "$eqopt" ]; then
            opt="$eqopt"
            arg="$(echo "$arg" | cut -d= -f1)"
            doshift="i=$i"
        else
            eval "opt=\${$((i+1))}"
            doshift="i=$((i+1))"
        fi
        unset eqopt
        case "$arg" in
            -l|--language) language="$opt"; eval "$doshift";;
            -a|--author) author="$opt"; eval "$doshift";;
            -e|--expiry) expiry="$opt"; eval "$doshift";;
            -c|--clip) clip=1;;
            -d|--dump) dump=1;;
            --) i=$((i+1)); break;;
            -) plain="$plain '$arg'";;
            -*) >&2 echo "rhpaste: Unsupported option '$arg'."; return 3;;
            *) plain="$plain '$arg'";;
        esac
        i=$((i+1))
    done
    while [ $i -le $# ]; do
        eval "arg=\${$i}"
        plain="$plain '$arg'"
        i=$((i+1))
    done
    unset i
    eval "set ${plain:-''}"

    if [ "$clip" -eq 1 ]; then
        if [ -z "$DISPLAY" ] && [ $(_is_osx) -eq 0 ]; then
            >&2 echo "rhpaste: Can't copy url to clipboard -- DISPLAY is not defined. If you're using ssh, have you enabled X11 forwarding?"
            return 1
        fi
        if ! command -v ${clipCmdShort} >/dev/null; then
            >&2 echo "rhpaste: Can't copy url to clipboard -- ${clipCmdShort} is not installed."
            return 1
        fi

        if [ "$dump" -eq 1 ]; then
            redir="| ${clipCmd}"
        else
            redir=$(echo '2>/dev/null | tr -d "\n" | tee /dev/stderr |' ${clipCmd})
        fi
    elif [ "$dump" -eq 1 ]; then
        redir='>/dev/null'
    fi

    local f
    for f; do
        local input="${f:--}"
        eval 'curl -L -w "%{url_effective}\n" -s -X POST -d "format=${language}&poster=${author}&paste=Send&expiry=${expiry}" http://pastebin.test.redhat.com/pastebin.php --data-urlencode code2@${input:--} -o /dev/stderr' $redir
    done
}

# Use clipboard as input instead of pipe/file
function rhpastec() {
    local clipCmd='xclip -o'
    [ $(_is_osx) -eq 1 ] && clipCmd='pbpaste -Prefer txt'
    local clipCmdShort=$(echo "$clipCmd" | cut -d " " -f1)

    if ! command -v ${clipCmdShort} >/dev/null; then
        >&2 echo "rhpaste: Can't paste from clipboard -- ${clipCmdShort} is not installed."
        return 1
    fi
    ${clipCmd} | rhpaste $@
}