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#!/bin/bash
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#
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# Author: Gerwin Klein
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#
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#  make a copy of IMP with isaverbatimwrite lines in thy files removed
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## diagnostics
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function fail()
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{
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  echo "$1" >&2
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  exit 2
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}
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## main
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EXPORT=IMP
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rm -rf "$EXPORT"
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# make directories
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DIRS=$(find . -type d)
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for D in $DIRS; do
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    mkdir -p "$EXPORT/$D" || fail "could not create directory $EXPORT/$D"
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done
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# filter thy files
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FILES=$(find . -name "*.thy")
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for F in $FILES; do
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    grep -v isaverbatimwrite "$F" > "$EXPORT/$F"
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done
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# copy rest
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cp ROOT.ML "$EXPORT"
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cp -r document "$EXPORT"
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# tar and clean up
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tar cvzf "$EXPORT.tar.gz" "$EXPORT"
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rm -r "$EXPORT"
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