Shell script for processing Blogspot .html posts commandline generated with UberWriter. Image upload, justify and another features.

processPost.sh

#!/bin/bash

# Milán Unicsovics, u.milan at gmail dot com
# usage: ./processPost.sh <postname>.html
# required: googlecl (http://code.google.com/p/googlecl/)

post=$1
imgdir=<RESOURCE DIRECTORY>
blogname="<BLOGNAME>"

# Check post and test its format
if [ -z $post ]; then
    exit -1
fi
ext=$(echo $post | cut -d '.' -f2)
if [ $ext != 'html' ]; then
    echo 'Error! No .html file!'
    exit -1
else
    if ! [ -w $post ]; then
        echo 'Error! File is not writable!'
        exit -1
    fi
fi

# Delete unused .css file
if [ `grep -c 'file:////usr/share/uberwriter/media/uberwriter.css' $post` == 1 ]; then
    echo "Deleting unused .css file..."
    delLine=`grep -n 'file:////usr/share/uberwriter/media/uberwriter.css' $post | cut -d ':' -f1`
    sed -i $delLine'd' $post
fi

# Add justify to post
justify='.post { text-align: justify; }'
if [ `grep -c "$justify" $post` == 0 ]; then
    echo "Adding justify to post..."
    addLine=`grep -n '<style type="text/css">' $post | cut -d ':' -f1`
    if [ -z $addLine ]; then
        addLine=`grep -n '</title>' $post | cut -d ':' -f1`
        justify='<style type="text/css"> .post { text-align: justify; } </style>'
        sed -i $addLine"a$justify" $post
    else

        sed -i $addLine"a$justify" $post
    fi
fi

# Open links in new tab
if [ `grep -c 'a href=' $post` != 0 ]; then
    echo "Adding target=\"_blank\" to urls..."
    sed -i 's/a href=/a target="_blank" href=/' $post
fi

# Insert images
while read line; do
    if [ `echo "$line" | grep -c "\.#.*#\."` == 1 ]; then
        img=$(echo "$line" | grep -o "\.#.*#\." | cut -d '#' -f2)
        if ! [ -r $imgdir/$img ]; then
            echo "Error! $imgdir/$img not found!"
            exit -1
        fi

        echo "Inserting $imgdir/$img..."
        imgname=$(echo "$img" | cut -d "." -f1)

        # Calculate size
        imgwidth=$(convert $imgdir/$img -print "%w\n" /dev/null)
        imgheight=$(convert $imgdir/$img -print "%h\n" /dev/null)
        if [ $imgwidth -gt 400 ] && [ $imgheight -gt 400 ]; then
            imgwidth=400
            div=$(echo `convert $imgdir/$img -print "%w\n" /dev/null`/400 | bc -l)
            imgheight=$(echo `convert $imgdir/$img -print "%h\n" /dev/null`/$div | bc -l)
            imgheight=$(echo $imgheight | cut -d "." -f1)
        fi

        # Upload
        if [ `google picasa list -n "$blogname" --fields url-direct --query $imgname | grep -c '.*'` == 0 ]; then
            echo "Uploading $imgdir/$img..."
            google picasa post -n "$blogname" $imgdir/$img
        fi
        # Get url
        try=0
        imgurl=''
        while [ -z $imgurl ]; do
            imgurl=$(google picasa list -n "$blogname" --fields url-direct | grep $imgname | head -n 1)
            echo "Trying to fetch url of $img...$try"
            sleep 1
            try=$[$try+1]
        done
        imgurl_big=$(echo "$imgurl" | sed -e "s/\(.*\)\/\(.*\)/\1\/s1600\/\2/")
        imgurl_small=$(echo "$imgurl" | sed -e "s/\(.*\)\/\(.*\)/\1\/s400\/\2/")
        imgenv="<div class=\"separator\" style=\"clear: both; text-align: center;\"> \
        <a href=\"$imgurl_big\" imageanchor=\"1\" style=\"margin-left: 1em; margin-right: 1em;\"> \
        <img border=\"0\" height=\"$imgheight\" src=\"$imgurl_small\" width=\"$imgwidth\" /> \
        </a> \
        </div>"
        # Escape imgenv
        imgenv=$(echo $imgenv | sed -e 's/[]\/()$*.^|[]/\\&/g')
        # Replace with urls
        sed -i "s/\.#$img#\./$imgenv/" $post
        echo "Image $imgdir/$img inserted!"
    fi
done < $post