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deleting last line now possible in script

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This commit is contained in:
Alexander Bocken 2021-01-28 15:39:34 +01:00
parent 6b7f65cc58
commit ad731ecebb
Signed by: Alexander
GPG Key ID: 1D237BE83F9B05E8
1 changed files with 11 additions and 2 deletions
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13
readings_index/lesungen_script
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@ -3,13 +3,22 @@ if [ -n "$1" ]; then
printf "start at reading no. L-" printf "start at reading no. L-"
read -r start_no read -r start_no
else else
start_no="$(tail -n1 readings_index | cut -f3)" last_line="$(tail -n1 readings_index)"
echo "$last_line"
start_no="$( echo "$last_line" | cut -f3)"
fi fi
for ((n=$start_no;n<=4000;n++)); do for ((n=start_no;n<=4000;n++)); do
printf "index of reading no. L-%s:" "$n" printf "index of reading no. L-%s:" "$n"
read -r index read -r index
if [ "$index" = "" ]; then if [ "$index" = "" ]; then
continue continue
elif [ "$index" = "d" ]; then
echo "deleting last line"
grep -v "$(tail -n1 readings_index)" readings_index > tmp$$
mv tmp$$ readings_index
last_line="$(tail -n1 readings_index)"
echo "$last_line"
n="$(( n - 2 ))";
elif [ "$index" -gt 2200 ]; then elif [ "$index" -gt 2200 ]; then
echo "Kanji from third book. Just adding index and reading index for now" echo "Kanji from third book. Just adding index and reading index for now"
printf '%s\t\t%s\n' "$index" "$n" | tee -ai readings_index printf '%s\t\t%s\n' "$index" "$n" | tee -ai readings_index