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egulhan/sumNumbers

Created January 13, 2014 15:00
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Scripting methods to sum numbers in a file
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sumNumbers
Scripting methods to sum numbers in a file:
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- awk '{s+=$1} END {print s}' number-list-file
- paste -s -d+ number-list-file|bc
- sum=0; while read num ; do sum=$(($sum + $num)); done < number-list-file ; echo $sum
- php -r '$sum=0;foreach(file("number-list-file") as $line) $sum+=$line;echo $sum.PHP_EOL;';
- cat number-list-file | php -r "echo array_sum(explode(PHP_EOL, stream_get_contents(STDIN)));"
- cat number-list-file | xargs | sed -e 's/\ /+/g' | bc
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