Command wrapper that allows multiple calls to a wrapped command

batch_wrapper.sh

#!/bin/bash

# Configuration
COMMAND="/usr/bin/openssl"
PRE_ARGS=""
POST_ARGS="-passin env:PASSWD"
ECHO=1

# Add any needed execution environment setup code here
PASSWD=`get_passphrase.sh`

ARGS=()
ARGI=0
for ARG in "$@"
do
  if [ "$ARG" = ";" ]; then
    if [ $ECHO -ge 1 ]; then
      echo $COMMAND $PRE_ARGS "${ARGS[@]}" $POST_ARGS >&2
    fi
    $COMMAND $PRE_ARGS "${ARGS[@]}" $POST_ARGS
    ARGS=()
    ARGI=0
  else
    ARGS[$ARGI]="$ARG"
    ARGI=$[$ARGI+1]
  fi
done 
if [ $ECHO -ge 1 ]; then
  echo $COMMAND $PRE_ARGS "${ARGS[@]}" $POST_ARGS >&2
fi
$COMMAND $PRE_ARGS "${ARGS[@]}" $POST_ARGS
# Done