Merge pull request #40 from efx/idea-cool-oneliners

create a home for cool one liners

cool_oneliners/README.md

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+# cool oneliners
+
+Capturing oneliners to and from the nushell Discourse channel `#cool-oneliners`.
+
+Consider these a living library.
+Or an ongoing story of how people actually use `nu`.
+
+## Naming and script requirements
+
+- the filename should be an abbreviation of the general topic of the script
+  For example:
+
+  ```sh
+  git_batch_extract.nu
+  ```
+
+- the script should have two lines
+  - the first line should be a comment describing the script's purpose
+  - the second line should be the cool oneliner

cool_oneliners/npm_update_versions.nu

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+# Increment the minor version for any package.json in the current directory (eigenrick — 08/16/2020)
+ls */package.json | each { open $it.name | inc version --minor | to json --pretty 2 | save --raw }