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In a nutshell, Frugal Education is about harnessing the power of design thinking, leveraging available resources, and embracing sustainability to develop creative, practical, and sustainable education for all. - Design with an Open Mind - Leverage Available Resources - Build at the Speed Of Need

There are two ways to use the -e flag: -e VAR=VALUE and -e VAR; if VAR is already exported then the second format will use the exported value without making it publicly readable, plus you don't need to worry about escaping the VALUE against whitespace, quotes, etc.

20 grams coffee, freshly roasted espresso-blend 50 grams water, boiling (212°F)