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#!/bin/sh
[ $# -ne 2 ] && exit 1
if ! [ -f "$1" ]; then
exit 1
fi
if ! [ "$2" -eq "$2" ] 2>/dev/null; then
exit 1
fi
[ "$2" -lt 0 ] && exit 1
if [ "$2" -gt $(wc -l < "$1") ]; then
exit 1
fi
i=1
while IFS= read -r line; do
[ "$i" -eq "$2" ] && echo "$line" | sed 's/^.*;\(.*\);\(.*\);.*;$/\1 is \2/'
i=$(($i + 1))
done < "$1"
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