download-files-buster.sh [plain text]
#! /bin/bash
curl()
{
$CURL --progress-bar --fail --remote-name "$@"
}
train()
{
case $(sw_vers -productVersion) in
10.3) echo Panther ;;
10.4) echo Tiger ;;
10.5) echo Leopard ;;
esac
}
buildvers()
{
sw_vers -buildVersion
}
make_url_from_buildvers()
{
local url
local tname=$(train)
local buildvers=$1
echo http://spectrum-asr.apple.com/tools/$tname/$buildvers/FilesBuster.tgz
}
subtract_one_buildvers ()
{
local buildvers="$1"
local buildnum=$(echo $buildvers | sed '-es:^[0-9][A-Z]\([0-9]*\):\1:')
local buildnext=$[ $buildnum - 1 ]
echo $buildvers | sed -es:$buildnum:$buildnext:
}
CURL=${CURL:-/usr/bin/curl}
BUILDVERS=${BUILDVERS:-$(buildvers)}
while : ; do
if curl $(make_url_from_buildvers $BUILDVERS); then
exit 0
fi
BUILDVERS=$(subtract_one_buildvers $BUILDVERS)
done