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#!/bin/bash
#
# createlpsudoku [options] [-o output] -i input
#
# transforms Sudokus in 81 format (-e) or Simple Sudoku format (-s)
# into lpsudoku environments for lpsudoku.sty
#
# License: LPPL
#
FORMAT="81"
VERSION="v1.1"
LINEENDINGS="UNIX"
IFILE=""
OFILE=""
#
typeset -i SLBEGIN=1
typeset -i SLEND=9
typeset -i COUNT=9
#
while getopts "eshwvi:o:" FLAG
do
case "$FLAG" in
e) FORMAT="81";;
s) FORMAT="ss";;
w) LINEENDINGS="WINDOWS";;
i) IFILE="$OPTARG";;
o) OFILE="$OPTARG";;
h) echo "`basename $0` [options] [-o output] -i input"; exit 0;;
v) echo "`basename $0` $VERSION (C) 2013 Josef Kleber"; exit 0;;
esac
done
#
if [ -z "$IFILE" ]
then
echo "no input file"
echo "Usage: `basename $0` [options] [-o output] -i input"
exit 1
fi
#
if [ ! -e "$IFILE" ]
then
echo "ERROR: input file $IFILE does not exist"
exit 1
fi
#
if [ -n "$OFILE" ]
then
exec 1> $OFILE
fi
#
if [ "$FORMAT" = "ss" ]
then
echo "\begin{lpsudoku}"
for SDLINE in `cat $IFILE | sed -e '1d' -e'5d' -e'9d' -e'13,200d' | sed -e 's/|//g' | sed -e's/^[[:space:]]//g'`
do
ROWARG=`echo $SDLINE | sed -e's/\./{},/g' -e's/\([[:digit:]]\)/\1,/g' | sed -e's/,$//'`
echo " \setrow{$COUNT}{$ROWARG}"
((COUNT--))
done
echo "\end{lpsudoku}"
echo
fi
#
if [ "$FORMAT" = "81" ]
then
for SUDOKU in `cat $IFILE | sed -e's/#.*//'`
do
echo "\begin{lpsudoku}"
while [ $COUNT -gt 0 ]
do
SDLINE=`echo $SUDOKU | cut -c${SLBEGIN}-${SLEND}`
ROWARG=`echo $SDLINE | sed -e's/\./{},/g' -e's/\([[:digit:]]\)/\1,/g' | sed -e's/,$//'`
echo " \setrow{$COUNT}{$ROWARG}"
((COUNT--))
((SLBEGIN+=9))
((SLEND+=9))
done
SLBEGIN=1
SLEND=9
COUNT=9
echo "\end{lpsudoku}"
echo
done
fi
#
if [ -n "$OFILE" -a "$LINEENDINGS" = "WINDOWS" ]
then
unix2dos -q $OFILE
fi
#
exit 0
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