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#!/bin/bash
# cut a file in smaller bits
file=$1
bits=$2
base=${1/.txt/}
nl="`wc -l $file | cut -f1 -d" "`"
output=$base-cells.txt
rm -rf $output
touch $output
echo Cutting $file, $nl lines in bits of $bits lines, output to $output \( one bit per line \)
prev=1
index=1
while [ $index -lt $nl ]; do
echo -n "$index..."
index=`expr $index + $2`
prevm=`expr $prev - 1`
nt1=/tmp/$base-$prev-$index-1.txt
nt2=/tmp/$base-$prev-$index-2.txt
cmd="1,"$prevm"d"
cmd2="101,"$nl"d"
if [ $prevm -gt 0 ]; then
sed $cmd $file > $nt1
if [ $index -lt $nl ]; then
sed $cmd2 $nt1 > $nt2
else
sed $cmd $file > $nt2
fi
sed -n -f all-on-one-line.sed $nt2 >> $output
else
sed $cmd2 $file > $nt1
sed -n -f all-on-one-line.sed $nt1 >> $output
fi
echo "done"
prev=$index
done
rm -rf /tmp/$base-*.txt
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