How to Compare Strings in Bash

% cat bash_example.sh  
#!/bin/bash
#Bash Compare Strings

StringA="HelloWorld"
StringB="HelloWorld"

if [ "$StringA" = "$StringB" ]; then
   echo "String A is equal to String B"
else 
   echo "String A is not equal to String B"
fi

#!/bin/bash
#Bash Compare Strings

StringX="Java"
StringY="PHP"

if [[ "$StringX" == "$StringY" ]]; then
   echo "String X is equal to String Y"
else 
   echo "String X is not equal to String Y"
fi

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