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Top Forums Shell Programming and Scripting How to get the modified value of variable outside the while loop reading from a file Post 302335655 by palsevlohit_123 on Monday 20th of July 2009 06:45:56 AM
Old 07-20-2009
Code:
> cat temp.bash
count=0
i=0
while read line
do
i=`expr "$i" + 1`
count=`expr "$count" + "$i"`
done < input.txt
echo " i Value =$i "
echo " Count Value = $count"

 
> bash temp.bash
 i Value =5
 Count Value = 15

Sorry, i able to execute the same code in bash shell too.
Note : Did you given the variables with in double quote, Pls check
 

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HW_GETOBJECT(3) 							 1							   HW_GETOBJECT(3)

hw_GetObject - Object record

SYNOPSIS
mixed hw_getobject (int $connection, mixed $objectID, [string $query]) DESCRIPTION
Gets an object record. If the second parameter is an array of integer the function will PARAMETERS
o $connection - The connection identifier. o $objectID - The object identifier, or an array of identifiers. o $query - The query string has the following syntax: <expr> ::= "(" <expr> ")" | "!" &lt;expr> | /* NOT */ <expr> "||" <expr> | /* OR */ <expr> "&amp;&amp;" <expr> | /* AND */ <attribute> <operator> <value> <attribute> ::= /* any attribute name (Title, Author, DocumentType ...) */ <operator> ::= "=" | /* equal */ "<" | /* less than (string compare) */ ">" | /* greater than (string compare) */ "~" /* regular expression matching */ RETURN VALUES
Returns the object record for the given object ID if the second parameter is an integer. If the second parameter is an array of integer the function will return an array of object records. In such a case the last parameter is also evaluated which is a query string. SEE ALSO
hw_getandlock(3), hw_getobjectbyquery(3). PHP Documentation Group HW_GETOBJECT(3)
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