Answers for "bash environment variable or default"

Setting default variable value in bash

FOO="${VARIABLE:=default}"  # If variable not set or null, set it to default.

Posted by: Guest on May-04-2021

bash set environment variable

# Linux - Bash

# syntax 
# export *<variable-name>=*<variable-value>;

# example 
export ORACLE_SID='sales_database';

Posted by: Guest on May-18-2020

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