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env is a Go library that reads environment variables and populates the fields of a Go struct according to tag directives. It uses reflection to iterate over struct types and tags at runtime, mapping environment variable names to struct fields and applying parsing behavior defined in struct tags. The library supports required field validation, returning errors when marked fields are missing or empty after parsing. It also provides default value fallback from struct tags when environment variables are not set, environment variable expansion that recursively substitutes references within values,
Package ini provides INI file read and write functionality in Go
Harvest configuration, watch and notify subscriber
📝 Go configuration manage(load,get,set,export). support JSON, YAML, TOML, Properties, INI, HCL, ENV and Flags. Multi file load, data override merge, parse ENV var. Go应用配置加载管理，支持多种格式，多文件加载，远程文件加载，支持数据合并，解析环境变量名
Go helpers to manage environment variables
The main features of antham/envh are: Configuration Management.
Projects with overlapping indexed features include: go-ini/ini — Package ini provides INI file read and write functionality in Go. heetch/confita — Load configuration in cascade from multiple backends into a struct. beatlabs/harvester — Harvest configuration, watch and notify subscriber. caarlos0/env — env is a Go library that reads environment variables and populates the fields of a Go struct according to tag… gookit/config — 📝 Go configuration manage(load,get,set,export). support JSON, YAML, TOML, Properties, INI, HCL, ENV and Flags. Multi… hjson/hjson-go — Hjson for Go.