Question

How to concatenate variables in Bash

Answer 1

a="bash"
b="example"

s="$a $b"

echo "$s"



# run:
#
# bash example
#

 

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Answer 2

a="bash"
a+=" example"

echo "$a"



# run:
#
# bash example
#

 

70+ SQL courses for beginners and professionals

Answer 3

a="bash"
a="${a} example"

echo "$a"



# run:
#
# bash example
#

 

70+ SQL courses for beginners and professionals