envsubst 0.1.1

Variables substitution


Build Status crates.io Documentation

A simple Rust library for variables substitution.

This library provide helper functions for string manipulation, taking values from a context environment map and substituting all matching placeholders.

Its name and logic is similar to the envsubst GNU utility, but this only supports braces-delimited variables (i.e. ${foo}) and takes replacement values from an explicit map of variables.


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