Sum and product of an array: Difference between revisions
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done; |
done; |
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echo $SUM $PROD |
echo $SUM $PROD |
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=={{header|UnixPipes}}== |
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prod() { |
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(read B; res=$1; test -n "$B" && expr $res \* $B || echo $res) |
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} |
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sum() { |
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(read B; res=$1; test -n "$B" && expr $res + $B || echo $res) |
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} |
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fold() { |
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(func=$1; while read a ; do ; fold $func | $func $a done) |
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} |
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(echo 3; echo 1; echo 4;echo 1;echo 5;echo 9) | tee >(fold sum) >(fold prod) > /dev/null |
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=={{header|XSLT}}== |
=={{header|XSLT}}== |
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