a command line launcher for swathviewer

swathviewer.sh

#!/usr/bin/env bash
# Enable completions
# Usage: gina swathviewer
# Summary: Downloads and starts swathviewer
# Help: Options:
#    --force-download            # force redownload of the client

if [ "$1" = "--complete" ]; then
  echo --force-download
  exit
fi

SV=SwathViewer-Latest.jar
latest=http://sv.gina.alaska.edu/${SV}

cd /tmp

if [ -f $SV ]; then
  echo "found existing SwathViewer download, use --force-download to redownload"
  if [ "$1" = "--force-download" ]; then
    rm $SV
  fi
fi

if [ ! -f $SV ]; then
  echo "downloading latest SwathViewer"
  wget --quiet $latest
fi

if [ ! -f $SV ]; then
  echo "download failed"
  exit
fi

java=`command -v java`

if [ ! -f $java ]; then
  echo "Unable to find java"
  exit
fi

echo "launching"
${java} -Xmx512M -jar $SV > /dev/null

Usage:

curl https://git.io/vFcXA
chmod +x swathviewer.sh
./swathviewer.sh