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using
cat WAR_AND_PEACE_By_LeoTolstoi.txt | tr -cs "[:alnum:]" "\n"| tr "[:lower:]" "[:upper:]" | sort -S16M | uniq -c |sort -nr | cat -n | head -n 30
("sort -S1G" - Linux/GNU sort only) will also do the job but as some drawbacks (caused by space/time complexity of sorting) for bigger files...
There are 2 alternatives - vote for the best!
If you can do better, submit your command here.
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i think there's database of most common used words in English, so we can remove those words from this list and see the frequently used words specifically by Tolstoi
right; do that it is fun!
C.
Very similar to my own script: http://l0b0.wordpress.com/2010/05/31/tag-cloud-shell-script/
The awk part is needlessly complicated. You can use "uniq -c" for that.
uniq -c can not do this! have a look in my description.