Created
October 3, 2019 20:22
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A Makefile recipe for attaching short help messages to targets
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| .PHONY: default help | |
| default: help | |
| help: ## Print this help message | |
| @M=$$(perl -ne 'm/^((\w|-)*):.*##/ && print length($$1)."\n"' Makefile | \ | |
| sort -nr | head -1) && \ | |
| perl -ne "m/^((\w|-)*):.*##\s*(.*)/ && print(sprintf(\"%s: %s\t%s\n\", \$$1, \" \"x($$M-length(\$$1)), \$$3))" Makefile | |
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