Page Comparison

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lineNo=10
while IFS= read line; do
  echo "Line $lineNo: '$line'"
  lineNo=$(( lineNo + 1 ))
done < sampleinfo.txt
echo -e "\nRead $lineNo lines"

• The IFS= clears all of read's default input field separators (whitespace).
  
  • This is needed so that read will set the line variable to exactly the contents of the input line, and not strip leading whitespace from it.
• Note the odd syntax for incrementing the line number variable.

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