src/scripts/BATCH

#
# ${R_HOME}/bin/BATCH

revision='$Rev$'
version=`set - ${revision}; echo ${2}`
version="R batch front end: ${R_VERSION} (r${version})

Copyright (C) 2000--2018 The R Core Team.
This is free software; see the GNU General Public License version 2
or later for copying conditions.  There is NO warranty."

opts="--restore --save --no-readline"

usage="Usage: R CMD BATCH [options] infile [outfile]

Run R non-interactively with input from infile and place output (stdout
and stderr) to another file.  If not given, the name of the output file
is the one of the input file, with a possible '.R' extension stripped,
and '.Rout' appended.

Options:
  -h, --help		print short help message and exit
  -v, --version		print version info and exit
  --no-timing           do not report the timings
  --			end processing of options

Further arguments starting with a '-' are considered as options as long
as '--' was not encountered, and are passed on to the R process, which
by default is started with '$opts'.
See also help('BATCH') inside R.

Report bugs at <https://bugs.R-project.org>."

while test -n "${1}"; do
  case ${1} in
    -h|--help)
      echo "${usage}"; exit 0 ;;
    -v|--version)
      echo "${version}"; exit 0 ;;
    --no-timing)
      timing=no; shift ;;
    --) shift; break ;;
    -d|-g) opts="${opts} ${1} ${2}"; shift; shift ;;
    -*) opts="${opts} ${1}"; shift ;;
    *)  break ;;
  esac
done

in=${1}
out=${2-`basename ${1} .R`.Rout}

if test -z "${timing}"; then
  R_BATCH=${$}
  export R_BATCH
fi
## this used to set options(echo=TRUE), but that is the default
## except for --no-echo, and why inhibit the latter?

## need to put -f first in case user does --args
${R_HOME}/bin/R -f ${in} ${opts} ${R_BATCH_OPTIONS} >${out} 2>&1

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