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--- awk:awk_math_operations [2020/07/15 09:30] – external edit 127.0.0.1
+++ awk:awk_math_operations [2022/06/13 09:45] (current) – [Advanced Example Using a Variable] peter
@@ Line 3: / Line 3: @@
 ===== Basic Math Operations =====
-Assuming a file exists with following contents:
+Assuming a file, **test2.txt** exists with following contents:
 <file>
@@ Line 17: / Line 17: @@
 <code awk>
-awk '{print $1,"QTY: "$2,"PRICE: "$3,"TOTAL: "$2*$3}' /sharewiz/awk/test2.txt
+awk '{print $1,"QTY: "$2,"PRICE: "$3,"TOTAL: "$2*$3}' test2.txt
 </code>
-which will display something like:
+returns:
 <code>
@@ Line 29: / Line 29: @@
 </code>
-  * Note that the total field multiples $2 with $3.
+<WRAP info>
+**NOTE:**  The total multiples fields $2 with $3.
+</WRAP>
+----
 AWK supports the full range of arithmetic operators including:
@@ Line 52: / Line 55: @@
 ===== Using a Variable =====
-Issue the following command:
 <code awk>
-awk '{x=x+$2} {print x}' /sharewiz/awk/test2.txt
+awk '{x=x+$2} {print x}' test2.txt
 </code>
-which will display something like:
+returns:
 <code>
@@ Line 68: / Line 69: @@
 </code>
-This assigns a variable named x.
+<WRAP info>
+**NOTE:**  This assigns a variable named x.
 It has shown a running total and calculated an overall total of 47 items.
+</WRAP>
 ----
 ===== Advanced Example Using a Variable =====
-Issue the following command:
 <code awk>
-awk '{x=x+($2*$3)}{print $1,"QTY: "$2,"PRICE: "$3,"TOTAL: "$2*$3,"BAL: "x}' /sharewiz/awk/test2.txt
+awk '{x=x+($2*$3)}{print $1,"QTY: "$2,"PRICE: "$3,"TOTAL: "$2*$3,"BAL: "x}' test2.txt
 </code>
-which will display something like:
+returns:
 <code>
@@ Line 91: / Line 93: @@
 </code>
-This procedure gives a listing of each record while assigning a total value and keeping a running balance.
+<WRAP info>
+**NOTE:**  This lists each record while assigning a total value and keeping a running balance.
+</WRAP>
 ----