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Full Discussion: Extracting values from files
Top Forums Shell Programming and Scripting Extracting values from files Post 54458 by MacMonster on Saturday 14th of August 2004 11:53:17 AM
Old 08-14-2004
Code:
#!/bin/bash

echo -n "Enter formula code: "
read code

if [ ! `cat formula.txt | cut -d ' ' -f 1 | grep "$code"` ]; then
    echo "No such formula."
    exit
fi

echo -n "Enter value: "
read value

awk '$1 == "'"$code"'" { print '"$value"' * $2 }' formula.txt

Formula.txt is the formula database file. This is the content of my formula.txt:

Code:
hkd_usd  0.128 #HKD -> USD
kg_pound 2.2   #KG  -> Pound
min_sec  60    #Minute -> Second
mile_km  1.6   #Mile -> Kilometer
nm_km    1.852 #Nautical mile -> Kilometer

 

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LEARN ABOUT DEBIAN

excel::template::element::formula

Excel::Template::Element::Formula(3pm)			User Contributed Perl Documentation		    Excel::Template::Element::Formula(3pm)

NAME

       Excel::Template::Element::Formula - Excel::Template::Element::Formula

PURPOSE

       To write formulas to the worksheet

NODE NAME

       FORMULA

INHERITANCE

       Excel::Template::Element::Cell

ATTRIBUTES

       All attributes a CELL can have, a FORMULA can have, including the ability to be referenced using the 'ref' attribute.

CHILDREN

       None

EFFECTS

       This will consume one column on the current row.

DEPENDENCIES

       None

USAGE

	 <formula text="=(1 + 2)"/>
	 <formula>=SUM(A1:A5)</formula>

	 <formula text="$Param2"/>
	 <formula>=(A1 + <var name="Param">)</formula>

       In the above example, four formulas are written out. The first two have the formula hard-coded. The second two have variables. The third
       and fourth items have another thing that should be noted. If you have a formula where you want a variable in the middle, you have to use
       the latter form. Variables within parameters are the entire parameter's value.

AUTHOR

       Rob Kinyon (rob.kinyon@gmail.com)

SEE ALSO

       CELL

perl v5.14.2							    2010-06-17				    Excel::Template::Element::Formula(3pm)
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