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Rev 22506 Rev 23041
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#! /bin/sh
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#! /bin/sh
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##
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##
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## Rdiff -- Diff 'without R version'
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## Rdiff -- Diff 'without R version'
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## Usage:
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## Usage:
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##   R CMD Rdiff from-file to-file exitstatus
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##   R CMD Rdiff from-file to-file exitstatus
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## where from-file equal to '-' means STDIN
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## where from-file equal to '-' means STDIN
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ffile=${1}
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ffile=${1}
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tfile=${2}
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tfile=${2}
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exitstatus=${3}
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exitstatus=${3}
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## sed script to get rid of the startup message
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## sed script to get rid of the startup message
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script='/^R : Copyright/,/quit R.$/{d;}'
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script='/^R : Copyright/,/quit R.$/{d;}'
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## egrep pattern to get rid of some more???
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## egrep pattern to get rid of some more???
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pattern='(^Number of.*:|^Time |^Loading required package.*'
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pattern='(^Number of.*:|^Time |^Loading required package.*'
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case "${ffile}" in
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case "${ffile}" in
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  *primitive-funs*)
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  *primitive-funs*)
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    pattern=${pattern}'|^\[1\] [19][0-9][0-9])'
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    pattern=${pattern}'|^\[1\] [19][0-9][0-9])'
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    ;;
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    ;;
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  *)
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  *)
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    pattern=${pattern}')'
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    pattern=${pattern}'|^<environment)'
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    ;;
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    ;;
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esac
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esac
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tmpfile=${TMPDIR-/tmp}/${ffile}-d.${$}
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tmpfile=${TMPDIR-/tmp}/${ffile}-d.${$}
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if test ${ffile} = '-' ; then
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if test ${ffile} = '-' ; then
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  ffile=''
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  ffile=''
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fi
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fi
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sed -e "${script}" ${ffile} | ${EGREP} -v "${pattern}" > ${tmpfile}
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sed -e "${script}" ${ffile} | ${EGREP} -v "${pattern}" > ${tmpfile}
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(sed -e "${script}" ${tfile} | \
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(sed -e "${script}" ${tfile} | \
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  ${EGREP} -v "${pattern}" | \
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  ${EGREP} -v "${pattern}" | \
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  diff -bw ${tmpfile} - ) && exitstatus=0
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  diff -bw ${tmpfile} - ) && exitstatus=0
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rm -f ${tmpfile}
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rm -f ${tmpfile}
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exit ${exitstatus}
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exit ${exitstatus}