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Astronomy
#!/bin/bash
SCP_USER="lolcat"
SCP_HOST="127.0.0.1"
# ==========================================================================
OUTFILE=".getfiles"
INFILE="torrents.list"
FETCHED_FILES="~/.already_fetched_files"
SCPHOST="$SCP_USER@$SCP_HOST"
## trap ctrl-c
trap ctrl_c INT
function ctrl_c()
{
echo ""
echo "** Trapped CTRL-C, exiting!"
exit
}
function logFile()
{
file="$1"
#echo "$file" >>$FETCHED_FILES
ssh $SCPHOST "echo \"$file\" >>$FETCHED_FILES"
}
function fileHasBeenDownloaded()
{
file="$1"
## -x == match whole line
ssh $SCPHOST "grep -x \"$file\" $FETCHED_FILES"
#grep $file $HOME/$FETCHED_FILES
}
## get a remote file
function getRemoteFile()
{
file="$1"
echo ""
echo "Now downloading $file"
rsync -L --partial --progress --rsh=ssh --recursive $SCPHOST:$file .
}
## if we've not specified args, do everything normally
if [ $# -eq 0 ]
then
echo "Fetching file listing..."
ssh $SCPHOST "cat $INFILE" >$OUTFILE
#ssh $SCPHOST "cp /dev/null $INFILE"
else
echo "Processing files in \"$1\""
OUTFILE="$1"
fi
if [ -s "$OUTFILE" ]
then
for file in `cat $OUTFILE | grep -v ^\#`
do
LOCAL_FILE=`basename "$file"`
HAS_BEEN_FETCHED=`fileHasBeenDownloaded "$file"`
## make sure we havent completely fetched this file
## by checking our FETCHED_FILES list
if [ -n "$HAS_BEEN_FETCHED" ]
then
## did we already grab this?
if [ -e "$LOCAL_FILE" ]
then
## if file DOES exist locally, rsync just
## in case it's a partial
echo "Already fetched $LOCAL_FILE, synchronizing..."
getRemoteFile $file
else
## file does not exist locally but it's in our
## processed list, assume it's been burned to
## dvd
echo "Already seem to have fetched and processed $file, proceeding..."
fi
else
## file does not exist locally
## and it's not in our processed list
getRemoteFile $file
logFile $file
fi
done
fi