Quick & dirty hack to download Scala binaries

getscala

#!/bin/bash

ver=$1
file=scala-$ver.tgz
dir=~/scala/scala-$ver
url=https://scala-lang.org/files/archive/$file

if [ -d $dir ]; then
  echo "$dir already exists"
else
  tmp=`mktemp -d`
  echo "Downloading $url to $tmp/$file..."
  if curl -f -s $url >$tmp/$file; then
    echo "Extracting..."
    (cd $tmp; tar xzf $file; rm $file)
    extr=`ls -d $tmp/* | head -n 1`
    extrf=`basename $extr`
    mv $extr $dir
    echo "Extracted to $dir"
  else
    echo Download failed.
    exit 1
  fi
fi