updated

Author: henryhale

01-saying-hello/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is your name? " ANSWER;
 

02-counting-characters/challenge.bash

@@ -1,8 +1,8 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is the input string? " STR;
 
-if [ -z "$STR" ]
+if [ -z "$STR" ];
 then
     echo "Hey! Try again and enter something.";
 else

02-counting-characters/index.bash

@@ -1,7 +1,7 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is the input string? " STR;
 
-STR_LENGTH=${#STR}
+STR_LENGTH=${#STR};
 
 echo "$STR has $STR_LENGTH characters.";

03-printing-qoutes/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is the qoute? " QOUTE;
 

04-mad-lib/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "Enter your nickname: " NAME;
 

05-simple-math/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is the first number? " X;
 

06-retirement-calculator/index.bash

@@ -1,12 +1,14 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is your current age? " CURRENT_AGE;
 
 read -p "At what age would you like to retire? " OLD_AGE;
 
-DIFF=$(( OLD_AGE - CURRENT_AGE ))
-CURRENT_YEAR=$(date +%Y)
-RETIREMENT_YEAR=$(( CURRENT_YEAR + DIFF ))
+DIFF=$(( OLD_AGE - CURRENT_AGE ));
+
+CURRENT_YEAR=$(date +%Y);
+
+RETIREMENT_YEAR=$(( CURRENT_YEAR + DIFF ));
 
 echo "
     You have $DIFF years left until you retire.

07-area-of-a-rectangular-room/index.bash

@@ -1,16 +1,16 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "What is the length of the room in feet? " LENGTH;
 
 read -p "What is the width of the room in feet? " WIDTH;
 
-AREA_IN_FEET=$(( LENGTH * WIDTH ))
+AREA_IN_FEET=$(( LENGTH * WIDTH ));
 
-LENGTH_IN_M=$(( LENGTH * 3 / 10 ))
+LENGTH_IN_M=$(( LENGTH * 3 / 10 ));
 
-WIDTH_IN_M=$(( WIDTH * 3 / 10 ))
+WIDTH_IN_M=$(( WIDTH * 3 / 10 ));
 
-AREA_IN_SQUAREMETERS=$(( LENGTH_IN_M * WIDTH_IN_M ))
+AREA_IN_SQUAREMETERS=$(( LENGTH_IN_M * WIDTH_IN_M ));
 
 echo "
 

08-pizza-party/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 echo -e "\n [$] Pizza Party \n";
 

09-paint-calculator/index.bash

@@ -1,18 +1,18 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 echo -e "\n [$] Paint Calculator \n";
 
 read -p "What is the length of the room? " LENGTH;
 
 read -p "What is the width of the room? " WIDTH;
 
-AREA=$(( LENGTH * WIDTH ))
-PAINT_IN_GALLONS=$(( AREA / 350 ))
-EXCESS_AREA=$(( AREA % 350 ))
+AREA=$(( LENGTH * WIDTH ));
+PAINT_IN_GALLONS=$(( AREA / 350 ));
+EXCESS_AREA=$(( AREA % 350 ));
 
-if [ "$EXCESS_AREA" -ge 0 ]
+if [ "$EXCESS_AREA" -ge 0 ];
 then
-    (( ++PAINT_IN_GALLONS ))
+    (( ++PAINT_IN_GALLONS ));
 fi
 
 echo "

10-self-checkout/index.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 read -p "Enter the price of Item 1: " ITEM_1_PRICE;
 read -p "Enter the quantity of Item 1: " ITEM_1_QTY;
@@ -15,13 +15,13 @@ read -p "Enter the quantity of Item 3: " ITEM_3_QTY;
 
 echo "";
 
-ITEM_1=$(( ITEM_1_PRICE * ITEM_1_QTY ))
-ITEM_2=$(( ITEM_2_PRICE * ITEM_2_QTY ))
-ITEM_3=$(( ITEM_3_PRICE * ITEM_3_QTY ))
+ITEM_1=$(( ITEM_1_PRICE * ITEM_1_QTY ));
+ITEM_2=$(( ITEM_2_PRICE * ITEM_2_QTY ));
+ITEM_3=$(( ITEM_3_PRICE * ITEM_3_QTY ));
 
-SUBTOTAL=$( echo "val = ($ITEM_1 + $ITEM_2 + $ITEM_3); scale=2; val / 1" | bc -l )
-TAX=$( echo "val = ($SUBTOTAL / 1000) * 55; scale=2; val / 1" | bc -l )
-TOTAL=$( echo "val = ($SUBTOTAL + $TAX); scale=2; val / 1" | bc -l )
+SUBTOTAL=$( echo "val = ($ITEM_1 + $ITEM_2 + $ITEM_3); scale=2; val / 1" | bc -l );
+TAX=$( echo "val = ($SUBTOTAL / 1000) * 55; scale=2; val / 1" | bc -l );
+TOTAL=$( echo "val = ($SUBTOTAL + $TAX); scale=2; val / 1" | bc -l );
 
 echo -e "Subtotal: $ $SUBTOTAL";
 echo -e "Tax: $ $TAX";

init.bash

@@ -33,19 +33,12 @@ touch "$D_SHELL";
 # make it executable
 chmod +x "$D_SHELL";
 # add initial line
-echo "#!$BASH" > "$D_SHELL";
-
-# echo -e "\n\t| - creating $D_CFILE";
-
-# # creating C file
-# touch "$D_CFILE";
-# # add template
-# echo -e "#include<stdio.h>\n\n\nint main () {\n\t// ...\n\n\treturn 0;\n\n}" > "$D_CFILE";
-
-echo -e "\n\t| - creating $D_README";
+echo "#!/usr/bin/env bash" > "$D_SHELL";
 
 # creating readme.md file
+echo -e "\n\t| - creating $D_README";
 touch "$D_README";
+
 # add template
 echo -e "<p align=\"center\">
 <img width=\"300\" src=\"../bash-logo-dark.jpg\" alt=\"Bash Logo\">