Fix indents in the code listings

Author: ellysh

manuscript/BashScripting/conditional-statement.md

@@ -573,7 +573,7 @@ The `case` statement looks this way:
 case STRING in
   PATTERN_1)
     ACTION_1
-     ;;
+    ;;
 
   PATTERN_2)
     ACTION_2

manuscript/resources/code/BashScripting/archiving.sh

@@ -4,14 +4,14 @@ operation="$1"
 
 if [[ "$operation" == "-a" ]]
 then
-    bsdtar -c -f documents.tar ~/Documents
+  bsdtar -c -f documents.tar ~/Documents
 elif [[ "$operation" == "-c" ]]
 then
-    bsdtar -c -j -f documents.tar.bz2 ~/Documents
+  bsdtar -c -j -f documents.tar.bz2 ~/Documents
 elif [[ "$operation" == "-x" ]]
 then
-    bsdtar -x -f documents.tar*
+  bsdtar -x -f documents.tar*
 else
-    echo "Invalid option"
-    exit 1
+  echo "Invalid option"
+  exit 1
 fi

manuscript/resources/code/BashScripting/for-array.sh

@@ -4,5 +4,5 @@ array=(Alice Bob Eve Mallory)
 
 for element in "${array[@]}"
 do
-    echo "$element"
+  echo "$element"
 done

manuscript/resources/code/BashScripting/for-elements.sh

@@ -4,5 +4,5 @@ array=(Alice Bob Eve Mallory)
 
 for element in "${array[@]:0:2}"
 do
-    echo "$element"
+  echo "$element"
 done

manuscript/resources/code/BashScripting/quiz-variable-scope.sh

@@ -2,18 +2,18 @@
 
 bar()
 {
-    echo "bar1: var = $var"
-    var="bar_value"
-    echo "bar2: var = $var"
+  echo "bar1: var = $var"
+  var="bar_value"
+  echo "bar2: var = $var"
 }
 
 foo()
 {
-    local var="foo_value"
+  local var="foo_value"
 
-    echo "foo1: var = $var"
-    bar
-    echo "foo2: var = $var"
+  echo "foo1: var = $var"
+  bar
+  echo "foo2: var = $var"
 }
 
 echo "main1: var = $var"