gistfile1.sh

#!/bin/bash
     
    MAXW=800
    GETW="%w"
    SOURCE=""
    TARGETDIR="$HOME/upload/public"
    LINKS="$HOME/.publish/links.js"
    TARGET=""
    FNAME=""
    FORCE=""
    PRESERVE=""
    SUBDIR=""
    OPTION="-auto-orient"
     
     
    ## publish <files>
     
     
    #publish -ccw <file>
    #publish -cw  <file>
     
    if [ ${#} -lt 1 ]
    then
        echo "Usage: publish [options] <image>"
        echo ""
        echo "Options:  -cw         rotate clockwise"
        echo "          -ccw        rotate counterclockwise"
        echo "          -d <dir>    publish to a subdirectory"
        echo "          -as <name>  set target filename (extension is the same as the source)"
        echo "          -f          force (never prompt)"
        echo "          -p          preserve size"
        echo ""
       
        exit 1
    fi
     
     
    while [ ${#} -gt 0 ]
    do
        if [ "$1" = "-d" ]
        then
            SUBDIR="$2"
            shift 2
     
        elif [ "$1" = "-cw" ]
        then
            OPTION="-rotate 90"
            GETW="%h"
            shift 1
       
        elif [ "$1" = "-ccw" ]
        then
            OPTION="-rotate 270"
            GETW="%h"
            shift 1
           
        elif [ "$1" = "-as" ]
        then
            FNAME="$2"
            shift 2
     
            elif [ "$1" = "-p" ]
            then
                    PRESERVE=1
                    shift 1
        elif [ "$1" = "-f" ]
        then
            FORCE=1
            shift 1
        else
            if [ ! "$SOURCE" ]
            then
                SOURCE="$1"
            fi
            shift 1
        fi
    done
     
     
     
    if [ "$FNAME" ]
    then
        FNAME=${FNAME}.${SOURCE##*.}
    else
        FNAME=$(basename "$SOURCE")
    fi
     
    TARGETDIR=${TARGETDIR}/${SUBDIR}${SUBDIR:+/}
    TARGET=${TARGETDIR}${FNAME}
    H=0
    W=0
     
    $(identify -format "let W=$GETW" "$SOURCE" 2>/dev/null)
    if [ ${?} = 0 ]
    then
        if [ ${W} -gt ${MAXW} -a ! "$PRESERVE" ]
        then
            OPTION="$OPTION -resize $MAXW"
        fi
     
        if [ -e "$TARGET" -a ! "$FORCE" ]
        then
            echo -n "File already exists! Overwrite? y/[n] "
            read answer
            if [ "${answer:-n}" != "y" ]
            then
                exit 2
            fi
        fi
     
     
        mkdir -p "$TARGETDIR"
        convert ${OPTION} "$SOURCE" "$TARGET"
        cd "$TARGETDIR"
        URL=$(dropbox puburl "$FNAME")
        DESC=$(date +"%F %H:%M")
        echo 'links.push({"desc":"'"$DESC"'", "src":"'"$URL"'"})' >> "$LINKS"
        echo "$URL"
    fi