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path: root/mkdiff.sh

#!/bin/sh

set -e

test ! -d .git # simple safety check
git init

[ -f mkdiff.sh ] || cp "$0" mkdiff.sh
chmod +x mkdiff.sh
git add mkdiff.sh; git commit -m "Save mkdiff.sh"

states=$(ls -1 *.pdf | xargs basename -s .pdf)
for state in $states; do
    outfile=$state.txt
    git checkout -b $state
    git add $state.pdf; git commit -m "Pristine file $state.pdf"
    pdftotext -nopgbrk $state.pdf $state.txt
    git add $state.txt; git commit -m "Extract content from $state.pdf"
    if [ -f $state.pl ]; then
        chmod +x $state.pl
        git add $state.pl; git commit -m "Save normalizing script $state.pl"
        ./$state.pl $state.txt
        git commit -m "Normalize $state.pdf" $state.txt
    fi
    cp $state.txt content.txt
    git add content.txt; git commit -m "Copy $state.txt to content.txt"
    git checkout master
    git merge $state
done

echo "sources prepared and ready for inspection, e.g. with this command:"
echo "  git log -p -w --color-words --patience content.txt"