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@leomao leomao/watchsync.sh
Last active Feb 23, 2018

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Watch file changes and sync two directories (to remote via ssh)
#!/bin/bash
#
# Sync local directory to remote directory.
#
# Modified by: Leo Mao
# Modified from: https://gist.github.com/evgenius/6019316
#
# Requires Linux, bash, inotifywait and rsync.
#
# To avoid executing the command multiple times when a sequence of
# events happen, the script waits one second after the change - if
# more changes happen, the timeout is extended by a second again.
#
# Example usage:
#
# watchsync.sh . host:/remote/dir
#
# Released to Public Domain. Use it as you like.
EVENTS="CREATE,CLOSE_WRITE,DELETE,MODIFY,MOVED_FROM,MOVED_TO"
RSYNC_OPTIONS="-Cait"
if [ -z "$2" ]; then
echo "Usage: $0 /path/to/localdir [user@]hostname:/path/to/dir"
exit -1;
fi
localdir=$1
remotedir=$2
run() {
rsync $RSYNC_OPTIONS $localdir $remotedir
}
run
inotifywait -q -e "$EVENTS" -m -r --format '%:e %f' $1 | (
WAITING="";
while true; do
LINE="";
read -t 1 LINE;
if test -z "$LINE"; then
if test ! -z "$WAITING"; then
echo "CHANGE";
WAITING="";
fi;
else
WAITING=1;
fi;
done) | (
while true; do
read TMP;
run
done
)
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