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13 regels
403 B

#1
for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt
sort -d 1.txt | uniq
sort -n 1.txt | uniq
sort -d 1.txt | uniq > 1_uniq1.txt
sort -n 1.txt | uniq > 1_uniq1.txt
sort -d 1.txt | uniq >> 1_uniq2.txt
sort -n 1.txt | uniq >> 1_uniq2.txt
#2
for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
grep 'computer' 2.txt
grep -o 'computer' 2.txt | wc -l