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rancher / dapper

Docker build wrapper
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Use contemporary $() instead of legacy `` in shell commands #74

Closed joakimr-axis closed 4 years ago

joakimr-axis commented 4 years ago

The "$()" form of command substitution solves a problem of inconsistent behavior when using backquotes and is recommended over the legacy backticks.

https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html#tag_23_02_06_03