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Random word from a text file, excluding short non alphabetic charaters

/ Published in: Awk
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Allows to take any text file containing numbers and non alphabetic characters and extract a random word from it

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  1. gawk 'BEGIN {srand(systime() + PROCINFO["pid"])} 
  2. {gsub(/[^[:alpha:]]/," ")
  3. for (i=1;i<=NF;i++) if (length($i)>3) a[++j]=$i}
  4. END{print a[int(j*rand())]}' place-file-here

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