Shell Programming and Scripting

$RSYNC -e 'ssh -ax -o ClearAllForwardings=yes' --log-file=$LOG_FILE --delete -avzcr -u  --update $SRC_DIR $USER@$TRG_SRV:$TRG_DIR >> $LOG_FILE

rsync_param="-e 'ssh -ax -o ClearAllForwardings=yes' --log-file=$LOG_FILE --delete -avzcr -u  --update"

$RSYNC $rsync_param $SRC_DIR $USER@$TRG_SRV:$TRG_DIR >> $LOG_FILE

eval $RSYNC $rsync_param $SRC_DIR $USER@$TRG_SRV:$TRG_DIR >> $LOG_FILE

#! /bin/sh

echo '#:' ${#}
while [[ 0 -lt ${#} ]]; do echo "${1}"; shift; done | cat -n

trogdor $ ./countem a b c d
#: 4
     1    a
     2    b
     3    c
     4    d

trogdor $ ./countem a 'b c' d
#: 3
     1    a
     2    b c
     3    d

trogdor $ ARGS="a 'b c' d"

trogdor $ ./countem ${ARGS}
#: 4
     1    a
     2    'b
     3    c'
     4    d

trogdor $ ./countem "${ARGS}"
 #: 1
     1    a 'b c' d

trogdor $ eval ./countem "${ARGS}"
  #: 3
     1    a
     2    b c
     3    d

trogdor $ eval ./countem ${ARGS}
#: 3
     1    a
     2    b c
     3    d

run_rsync="$RSYNC $rsync_param $SRC_DIR $USER@$TRG_SRV:$TRG_DIR >> $LOG_FILE"
eval $run_rsync