View difference between Paste ID: 3B1vFCPP and dYGAbnk2

 #!/bin/bash
 # Prints UUID of all or a specific partition
 
 if [ "x$1" = "x" ];
 then # No options given, print all
     echo -e "PARTITION \t DIR \t UUID"
     ls -lh /dev/disk/by-uuid/ | tail -n +2 | while read LINE
     do
         PARTITION=/dev/$(echo "$LINE" | awk '{ print $11 }' | sed 's_^\.\./\.\./__g')
         MPOINT=$(mount | grep $PARTITION | awk '{ print $3 }')
         UUID=/dev/disk/by-uuid/$(echo "$LINE" | awk '{ print $9 }')
         echo -e "$PARTITION \t $MPOINT \t $UUID"
     done | sort -n
 else # Print specific partition
         if [ "$(ls -lh /dev/disk/by-uuid/ | grep -o $(basename $1))" != "$(basename $1)" ]
-		then
+	then
-			if [ "x$(echo $(basename $1) | egrep '^[a-z][a-z][a-z]$')" != "x" ]
+		if [ "x$(echo $(basename $1) | egrep '^[a-z][a-z][a-z]$')" != "x" ]
-			then # $1 is a harddrive
+		then # $1 is a harddrive
-				echo "Error: /dev/$(basename $1) is a harddrive, not a partition."
+			echo "Error: /dev/$(basename $1) is a harddrive, not a partition."
-				exit 1
+			exit 1
-			else
+		else
-				echo "Error: /dev/$(basename $1) does not exist."
+			echo "Error: /dev/$(basename $1) does not exist."
-            fi
+            	fi
-		else
+	else
-			LINE=$(ls -lh /dev/disk/by-uuid/ | grep $(basename $1))
+		LINE=$(ls -lh /dev/disk/by-uuid/ | grep $(basename $1))
-			PARTITION=/dev/$(echo "$LINE" | awk '{ print $11 }' | sed 's_^\.\./\.\./__g')
+		PARTITION=/dev/$(echo "$LINE" | awk '{ print $11 }' | sed 's_^\.\./\.\./__g')
-			MPOINT=$(mount | grep $PARTITION | awk '{ print $3 }')
+		MPOINT=$(mount | grep $PARTITION | awk '{ print $3 }')
-			UUID=/dev/disk/by-uuid/$(echo "$LINE" | awk '{ print $9 }')
+		UUID=/dev/disk/by-uuid/$(echo "$LINE" | awk '{ print $9 }')
-			echo -e "PARTITION \t DIR \t UUID"
+		echo -e "PARTITION \t DIR \t UUID"
-			echo -e "$PARTITION \t $MPOINT \t $UUID"
+		echo -e "$PARTITION \t $MPOINT \t $UUID"
-		fi
+	fi
 fi