bash how to store output to a variable code example
Example 1: save output of command to craible bash
password=$(openssl rand -base64 32)
echo $password
Example 2: store printed output in variable bash
#For storing and printing output at the same time do following:
OUTPUT=$(ls -1) #First assign output of command execution to a variable
echo "${OUTPUT}" #Then print out the result in variable into the terminal
Example 3: save output of command to variable bash
OUTPUT="$(ls -1)"
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Example 4: bash store script output in variable
#Just use following structure to store output of command into a variable:
var=$(command)
#For example:
var=$(echo 'hi') #store hi into var
var=$(ls) #store list of files into var