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write a shell script that counts a number of unique word
contained in the file and print them in alphabetical order
line by line?
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Answer Posted / trenton g. twining
rm /tmp/$$; \
cat <file> \
| awk '{ for(i=1;i<=NF;i++){ printf("%s\n",$i); }; }' \
| sort -du \
| tee /tmp/$$; \
wc -w /tmp/$$ \
| sed -e "s=/tmp/$$=unique words="
| Is This Answer Correct ? | 1 Yes | 2 No |
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