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+# inc
+
+This command increments the value of variable by one.
+
+## Examples
+
+```shell
+> open rustfmt.toml
+---------
+ edition 
+---------
+ 2018 
+---------
+> open rustfmt.toml | inc edition
+---------
+ edition 
+---------
+ 2019 
+---------
+```
+
+```shell
+> open Cargo.toml | get package.version
+0.1.3
+> open Cargo.toml | inc package.version --major | get package.version
+1.0.0
+> open Cargo.toml | inc package.version --minor | get package.version
+0.2.0
+> open Cargo.toml | inc package.version --patch | get package.version
+0.1.4
+```
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