a command-line tumblr client using bash shell

tumblr.sh

#!/bin/bash
## vim:ts=4:sw=4:tw=100:ai:nowrap:formatoptions=croqln:
#*******************************************************#
#                      tumblr.sh                        #
#                 written by Rahul Kumar                #
#                    2010/01/01                         #
#             Post, edit, delete, read tumblr.com       #
#*******************************************************#
# References: http://www.tumblr.com/api#api_write
# DONE : add read
# DONE : add --tags
# DONE : add --format (html, markdown)
APPNAME=$( basename $0 )

# Thanks to Andrea Olivato for basic example of post from :
# http://quickies.andreaolivato.net/post/108364451/post-to-tumblr-via-bash-using-curl

# enter your username and pass here to avoid entering repeatedly
# or enter in your environment or pass on command line
#TMB_USER='me@gmail.com';
#TMB_PASS='secret';
OUTFILE="~/tmp/tumblr.out"
# response of curl goes to this file
OUTFILE="tumblr.out"
# operation is logged to LOGFILE so you can delete or edit using post-id
LOGFILE="/Users/rahul/tumblr.log"
# delim in LOGFILE
DELIMITER='þ'
POSTID=


# ---------------------------------------------------------------------------- #
# post
# post some content (alias regular)
# @param   : title title of post
# @param   : content content of post
# @return  : 0 or 1 
# ---------------------------------------------------------------------------- #
post ()
{
   errmsg="Usage: $APPNAME post <title> <content>
   Options include: 
   --date | --format | --tags | --private
   "
   TMB_TITLE="$1"  # title of post 
   [[ -z "$TMB_TITLE" ]] && { echo "Error: TITLE blank. $errmsg" 1>&2; exit 1; }
   shift
   TMB_CONTENT="$@"  # content of post 
   [[ -z "$TMB_CONTENT" ]] && { echo "Error: CONTENT blank. $errmsg" 1>&2; exit 1; }
   TMB_TYPE='regular';
   [[ ! -z "$TMP_ID" ]] && { POSTID="&post-id=$TMP_ID"; }
curl -s \
        -o $OUTFILE \
        -d "email=$TMB_USER&password=$TMB_PASS&type=$TMB_TYPE&title=$TMB_TITLE&body=$TMB_CONTENT${TMB_EXTRA}&generator=tumblr.sh${POSTID}" \
        "http://www.tumblr.com/api/write"
        if [  $? -eq 0 ]; then
           logme "post" "$TMB_TITLE"
        fi
}

link ()
{
   errmsg="Usage: $APPNAME link <url> [name] [description]
   Options include: 
   --date | --format | --tags | --private
   "
   TMB_URL="$1"  # title of post 
   [[ -z "$TMB_URL" ]] && { echo "Error: URL blank. $errmsg" 1>&2; exit 1; }
   shift
   TMB_NAME="$1"  # content of post 
   [[ -z "$TMB_NAME" ]] && { echo "Warning: NAME blank. $errmsg" 1>&2; 
   echo
   echo -n "Do you wish to continue without name?" '[y/n] ' ; read ans
   case "$ans" in
      y*|Y*) echo "Going ahead.." ;;
      *) echo "$APPNAME exiting."; exit -1;;
   esac
   }
   
   TMB_DESCRIPTION="$2"  # content of post 
   TMB_TYPE='link';
curl -s \
        -o $OUTFILE \
        -d "email=$TMB_USER&password=$TMB_PASS&type=$TMB_TYPE&url=$TMB_URL&name=$TMB_NAME&description=$TMB_DESCRIPTION${TMB_EXTRA}&generator=tumblr.sh" \
        "http://www.tumblr.com/api/write"
        if [  $? -eq 0 ]; then
           logme "link" "$TMB_URL"
        fi
}
quote ()
{
   errmsg="Usage: $APPNAME quote <quote> [source]"
   TMB_QUOTE="$1"  # title of post 
   [[ -z "$TMB_QUOTE" ]] && { echo "Error: QUOTE blank. $errmsg" 1>&2; exit 1; }
   shift
   TMB_SOURCE="$@"  # content of post 
   [[ -z "$TMB_SOURCE" ]] && { echo "Warning: SOURCE blank. $errmsg" 1>&2; 
   echo
   echo -n "Do you wish to continue without SOURCE?" '[y/n] ' ; read ans
   case "$ans" in
      y*|Y*) echo "Going ahead.." ;;
      *) echo "$APPNAME exiting."; exit -1;;
   esac
   }
   TMB_TYPE='quote';
curl -s \
        -o $OUTFILE \
        -d "email=$TMB_USER&password=$TMB_PASS&type=$TMB_TYPE&quote=$TMB_QUOTE&source=$TMB_SOURCE${TMB_EXTRA}&generator=tumblr.sh" \
        "http://www.tumblr.com/api/write"
        if [  $? -eq 0 ]; then
           logme "quote" "$TMB_QUOTE"
        fi
}

# ---------------------------------------------------------------------------- #
# delete
# delete a post
# @param   : post-id post identifier
# @return  : 0 or 1 
# ---------------------------------------------------------------------------- #
delete ()
{
   errmsg="Usage: $APPNAME delete <post_id> "
   post_id="$1"  # post identifier 
   [[ -z "$post_id" ]] && { echo "Error: post_id blank. $errmsg" 1>&2; exit 1; }
curl -s \
        -o $OUTFILE \
        -d "email=$TMB_USER&password=$TMB_PASS&type=$TMB_TYPE&post-id=$post_id&generator=tumblr.sh" \
        "http://www.tumblr.com/api/delete"
        if [  $? -eq 0 ]; then
           logme "delete" "$post_id"
        fi
}
_read ()
{
   errmsg="Usage: $APPNAME read <URL> "
   errmsg+="
       read options:
       
   --type|--private|--id|--tagged|--start|--num|--filter|--search|--chrono
   e.g.,
   tumblr.sh --type link read rkonrails"

   URL="$1"  # url to view
   [[ -z "$URL" ]] && { echo "Error: URL blank. $errmsg" 1>&2; exit 1; }
   [[ ! -z "$TMB_USER" && ! -z "$TMB_PASS" ]] && {
       AUTH_STRING="email=$TMB_USER&password=$TMB_PASS&"
   }

curl -s \
        -o $OUTFILE \
        -d "${AUTH_STRING}$TMB_EXTRA" \
        "http://${URL}.tumblr.com/api/read"
}


help ()
{
   echo "$APPNAME Actions are post/regular, link, quote, delete"
   echo "         To edit, pass --post-id <ID> along with other arguments"

   echo "        You may enter your username and password in the environment"
   echo "        or the top of this file as TMB_USER and TMB_PASS.          "
   echo
   echo "        See  http://www.tumblr.com/api#api_write"
   exit 0;
}
logme ()
{
   now=$( date '+%Y-%m-%d %H:%M' )
   echo "$now${DELIMITER}$1${DELIMITER}$2" >> $LOGFILE
}
# ADD methods before this

TMB_TYPE='regular';
TMB_EXTRA=""

while [[ $1 = -* ]]; do
case "$1" in                    # remove _
   -u|--user)
      TMB_USER="$2"       # 
      shift 2
      ;;
   -p|--pass)
      TMB_PASS="$2"       # 
      shift 2
      ;;
   -postid|--post-id|--postid)
      TMB_ID="$2" 
      shift 2
      ;;
   -tag|--tag|--tags)
      TMB_TAGS="$2" 
      TMB_EXTRA+="&tags=$2"
      shift 2
      ;;
   -format|--format)
      TMP_FORMAT="$2" 
      TMB_EXTRA+="&format=$2"
      shift 2
      ;;
   --date|--type|--private|--id|--tagged|--start|--num|--filter|--search|--chrono)
   # other than date, all the above are read options
      opt=${1:2}
      TMB_EXTRA+="&${opt}=$2"
      shift 2
      ;;
   -h|--help)
      help # a function ;-)
      # no shifting needed here, we'll quit!
      exit
      ;;
   *)
      echo "Error: Unknown option: $1" >&2   # 
      exit 1
      ;;
esac
done

[[ -z "$TMB_USER" ]] && { 
    echo -n "Enter username: "
    read TMB_USER
}
[[ -z "$TMB_PASS" ]] && { 
    echo -n "Enter password: "
    read TMB_PASS
}
[[ -z "$TMB_USER" || -z "$TMB_PASS" ]] && {  echo "Exiting."; exit 1; }
action=$( echo "$1" | tr 'A-Z' 'a-z' )
shift
[[ -z "$action" ]] && {  action="help"; }
case $action in
   "post" | "regular")
      post "$@" ;;
   "quote")
      quote "$@" ;;
   "link" )
      link "$@" ;;
   "pic" | "photo" | "image" )
      photo "$@" ;;
   "del" | "delete"  )
      delete "$@" ;;
   "r" | "read"  )
      _read "$@" ;;
   "help")
      help;;
   * )
   #guess_error "$@"
   echo "Action ($action) incorrect. Actions include post, quote, link, delete, photo, help" 
   help
   ;;
esac
cat "$OUTFILE"
echo