abook-convert

#!/bin/sh

# Convert different addressbook formats with abook.

prog="$(basename "$0")"

usage () {
  echo "$prog [infile [outfile]]"
  echo "$prog help|--help|-h|-?"
}
help () {
  echo "Convert the input from vCard to abook format.  The infile and outfile"
  echo "default to stdin and stdout if not specified."
}
convert () {
  abook --convert --informat  "$1" ${3:+--infile  "$3"} \
                  --outformat "$2" ${4:+--outfile "$4"}
}

if [ "$1" = -h -o "$1" = --help -o "$1" = help -o "$1" = '-?' ]; then
  usage
  help
  exit
fi

case "$prog" in
  abook2ldif ) convert abook ldif  "$1" "$2";;
  abook2vcard) convert abook vcard "$1" "$2";;
  ldif2abook ) convert ldif  abook "$1" "$2";;
  ldif2vcard ) convert ldif  vcard "$1" "$2";;
  vcard2abook) convert vcard abook "$1" "$2";;
  vcard2ldif ) convert vcard ldif  "$1" "$2";;
  *) cat <<EOF >&2
Unsupported basename. This file should be called as one of "abook2ldif"
"abook2vcard" "ldif2abook" "ldif2vcard" "vcard2abook" "vcard2ldif".
EOF
    exit 2;;
esac