The R Project SVN R

#! /bin/sh

#! /bin/sh

##

##

## Rdiff -- Diff 'without R version'

## Rdiff -- Diff 'without R version'

## Usage:

## Usage:

##   R CMD Rdiff from-file to-file exitstatus

##   R CMD Rdiff from-file to-file exitstatus

## where from-file equal to '-' means STDIN

## where from-file equal to '-' means STDIN

ffile=${1}

ffile=${1}

tfile=${2}

tfile=${2}

exitstatus=${3}

exitstatus=${3}

## sed script to get rid of the startup message

## sed script to get rid of the startup message

script='/^R : Copyright/,/quit R.$/{d;}'

script='/^R : Copyright/,/quit R.$/{d;}'

## egrep pattern to get rid of some more???

## egrep pattern to get rid of some more???

pattern='(^Number of.*:|^Time |^Loading required package.*'

pattern='(^Number of.*:|^Time |^Loading required package.*'

case "${ffile}" in

case "${ffile}" in

  *primitive-funs*)

  *primitive-funs*)

    pattern=${pattern}'|^\[1\] [19][0-9][0-9])'

    pattern=${pattern}'|^\[1\] [19][0-9][0-9])'

    ;;

    ;;

  *)

  *)

    pattern=${pattern}'|^<environment)'

    pattern=${pattern}'|^<environment)'

    ;;

    ;;

  ffile=''

  ffile=''

fi

fi

sed -e "${script}" ${ffile} | ${EGREP} -v "${pattern}" > ${tmpfile}

sed -e "${script}" ${ffile} | ${EGREP} -v "${pattern}" > ${tmpfile}

(sed -e "${script}" ${tfile} | \

(sed -e "${script}" ${tfile} | \

  ${EGREP} -v "${pattern}" | \

  ${EGREP} -v "${pattern}" | \

  diff -bw ${tmpfile} - ) && exitstatus=0

  diff -bw ${tmpfile} - ) && exitstatus=0

rm -f ${tmpfile}

rm -f ${tmpfile}

exit ${exitstatus}

exit ${exitstatus}