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dardo82/primes.sh

Created January 28, 2016 05:43
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Primes < n
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primes.sh
#!/bin/zsh
# Print the prime numbers less than n.
# for n in {1..$1}; do gfactor $n; done | awk -F'[: ]' '{if($3~$1)print $3}'
for n in {1..$1}; do gfactor $n; done | awk -F'[ ]' 'NF==2{printf $2" "}'
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