Linux
Environment Variable Naming Checker
Check a name against portable POSIX environment variable conventions - UPPER_SNAKE_CASE, no hyphens, no leading digit - with a corrected suggestion.
Variable name
Doesn't follow portable naming conventions
- Contains lowercase letters - convention is UPPER_SNAKE_CASE.
- Contains a hyphen - shells treat hyphens specially in some contexts, use underscore instead.
- Contains characters outside A-Z, 0-9, and underscore - not portable across shells.
Suggestion: DATABASE_URL
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