1) Line 수
split -l $[$(wc -l filename | cut -d" " -f1) * 70 / 100 ] filename
2) 퍼센트
split -b $[$(wc -c filename | cut -d" " -f1) * 70 / 100 ] filename
1) Line 수
split -l $[$(wc -l filename | cut -d" " -f1) * 70 / 100 ] filename
2) 퍼센트
split -b $[$(wc -c filename | cut -d" " -f1) * 70 / 100 ] filename