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Top Forums Shell Programming and Scripting assignment to variable from eval command Post 302467081 by frans on Thursday 28th of October 2010 07:18:18 AM
Old 10-28-2010
bash code:
  1. for prm in RUN_COST_PRICES_COMPARISON RUN_SELLING_PRICE_COMPARISON RUN_RATIO_PACK_COMPARISON
  2. do
  3.      echo $prm
  4.      echo ${!prm}
  5. done
Are the variables filled in your script?
to verify, add this to the the previous one:
Code:
echo "before expansion"
echo $RUN_COST_PRICES_COMPARISON
echo $RUN_SELLING_PRICE_COMPARISON
echo $RUN_RATIO_PACK_COMPARISON
echo "------------------"

 

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BOOLVAL(3)								 1								BOOLVAL(3)

boolval - Get the boolean value of a variable

SYNOPSIS
boolean boolval (mixed $var) DESCRIPTION
Returns the boolean value of $var. PARAMETERS
o $var - The scalar value being converted to a boolean. RETURN VALUES
The boolean value of $var. EXAMPLES
Example #1 boolval(3) examples <?php echo '0: '.(boolval(0) ? 'true' : 'false')." "; echo '42: '.(boolval(42) ? 'true' : 'false')." "; echo '0.0: '.(boolval(0.0) ? 'true' : 'false')." "; echo '4.2: '.(boolval(4.2) ? 'true' : 'false')." "; echo '"": '.(boolval("") ? 'true' : 'false')." "; echo '"string": '.(boolval("string") ? 'true' : 'false')." "; echo '"0": '.(boolval("0") ? 'true' : 'false')." "; echo '"1": '.(boolval("1") ? 'true' : 'false')." "; echo '[1, 2]: '.(boolval([1, 2]) ? 'true' : 'false')." "; echo '[]: '.(boolval([]) ? 'true' : 'false')." "; echo 'stdClass: '.(boolval(new stdClass) ? 'true' : 'false')." "; ?> The above example will output: 0: false 42: true 0.0: false 4.2: true "": false "string": true "0": false "1": true [1, 2]: true []: false stdClass: true SEE ALSO
floatval(3), intval(3), strval(3), settype(3), is_bool(3), Type juggling. PHP Documentation Group BOOLVAL(3)
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