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do not truncate if used directly on the SD

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Csaba Kiraly 2016-11-24 11:59:51 +01:00
parent 9b55197d9b
commit 57a69657c8
1 changed files with 6 additions and 5 deletions
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pishrink.sh
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@ -150,8 +150,9 @@ part1=`parted $img rm $partnum`
part2=`parted $img unit B mkpart primary $partstart $newpartend` part2=`parted $img unit B mkpart primary $partstart $newpartend`
#Truncate the file #Truncate the file
endresult=`parted -m $img unit B print free | tail -1 | cut -d ':' -f 2 | tr -d 'B\n'` if [[ -f $img ]]; then
truncate -s $endresult $img endresult=`parted -m $img unit B print free | tail -1 | cut -d ':' -f 2 | tr -d 'B\n'`
aftersize=`ls -lah $img | cut -d ' ' -f 5` truncate -s $endresult $img
aftersize=`ls -lah $img | cut -d ' ' -f 5`
echo "Shrunk $img from $beforesize to $aftersize" echo "Shrunk $img from $beforesize to $aftersize"
fi