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# 060421 Kurt Gramlich GPL Software Schnipsel DIR="/home/kurt/skole/images/automat" |
# 060421 Kurt Gramlich GPL Software Schnipsel # DIR="/home/kurt/skole/images/automat" |
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NR_FILES=$(ls $DIR | wc -l) RANGE=$NR_FILES SEED=$(head -1 /dev/urandom | od -N 1 | awk '{ print $2 }') number=$SEED let "number %= $RANGE" echo "Random is $number" let "number = $number +1" echo "Number of files is $NR_FILES" echo "Random is $number" RND_FILE=$(echo $(ls $DIR) | awk -v RANDOM=$number '{print $RANDOM }') echo "Random file is $RND_FILE" cp $DIR/$RND_FILE $DEST_DIR/titel.jpg exit 0 |
NR_FILES=$(ls $DIR | wc -l) RANGE=$NR_FILES SEED=$(head -1 /dev/urandom | od -N 1 | awk '{ print $2 }') number=$SEED let "number %= $RANGE" echo "Random is $number" let "number = $number +1" echo "Number of files is $NR_FILES" echo "Random is $number" RND_FILE=$(echo $(ls $DIR) | awk -v RANDOM=$number '{print $RANDOM }') echo "Random file is $RND_FILE" cp $DIR/$RND_FILE $DEST_DIR/titel.jpg exit 0 |
# waehlt aus einem Verzeichnis eine Datei durch Zufall aus # und kopiert diese Datei in ein anderes Verzeichnis # 060421 Kurt Gramlich GPL Software Schnipsel # DIR="/home/kurt/skole/images/automat" DEST_DIR="/home/kurt/skole/images/titelfoto" NR_FILES=$(ls $DIR | wc -l) RANGE=$NR_FILES SEED=$(head -1 /dev/urandom | od -N 1 | awk '{ print $2 }') number=$SEED let "number %= $RANGE" echo "Random is $number" let "number = $number +1" echo "Number of files is $NR_FILES" echo "Random is $number" RND_FILE=$(echo $(ls $DIR) | awk -v RANDOM=$number '{print $RANDOM }') echo "Random file is $RND_FILE" cp $DIR/$RND_FILE $DEST_DIR/titel.jpg exit 0