Reliably copy files from a folder. Particularly useful when you have a jittery network that timeouts every now and then

reliable_copy.sh

#!/bin/bash

# reliable file/s transfer from a folder
# try rsync 

I=0
MAX_RESTARTS=100
LAST_EXIT_CODE=1

if [ $# -lt 2 ]; then
	echo "Usage: $0 src dest"
	exit
fi

echo "copying files from $1 to $2"

while [ $I -le $MAX_RESTARTS ]
do
	I=$(( $I + 1 ))
	echo $I. start of rsync
	rsync -vt -P --bwlimit=50 $1 $2
	LAST_EXIT_CODE=$?
	if [ $LAST_EXIT_CODE -eq 0 ]; then
		break
	fi
done

# check if successful
if [ $LAST_EXIT_CODE -ne 0 ]; then
	echo rsync failed for $I times. giving up.
else
	echo rsync successful after $I times.
fi