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Adjust README headers to be more 'semantic'

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Paul deGrandis 2016-02-22 08:12:49 -05:00
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README.md
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@ -7,13 +7,13 @@ Mk is a reboot of the Plan 9 mk command, which itself is [a successor to
make](http://www.cs.tufts.edu/~nr/cs257/archive/andrew-hume/mk.pdf). This tool make](http://www.cs.tufts.edu/~nr/cs257/archive/andrew-hume/mk.pdf). This tool
is for anyone who loves make, but hates all its stupid bullshit. is for anyone who loves make, but hates all its stupid bullshit.
# Installation ## Installation
1. Install Go. 1. Install Go.
2. Run `go get github.com/dcjones/mk` 2. Run `go get github.com/dcjones/mk`
3. Make sure `$GOPATH/bin` is in your `PATH`. 3. Make sure `$GOPATH/bin` is in your `PATH`.
# Why Plan 9 mk is better than make ## Why Plan 9 mk is better than make
Way back in the 90s, some smart guys at Bell Labs got together and decided to Way back in the 90s, some smart guys at Bell Labs got together and decided to
write new operating system to replace Unix. The idea was to keep everything that write new operating system to replace Unix. The idea was to keep everything that
@ -43,13 +43,14 @@ elegant, and powerful. To name a few specifics:
`<|sh config.sh`. `<|sh config.sh`.
1. A generalized mechanism to determine if a target is out of date, for when 1. A generalized mechanism to determine if a target is out of date, for when
timestamps won't cut it. timestamps won't cut it.
1. Variables are expanded in recipes only if they are defined. They way you 1. Variables are expanded in recipes only if they are defined. That way you
usually don't have to escape `$`. usually don't have to escape `$`.
And much more! Read [Maintaining Files on Plan 9 with And much more!
Mk](http://doc.cat-v.org/plan_9/4th_edition/papers/mk) for good overview. Read [Maintaining Files on Plan 9 with Mk](http://doc.cat-v.org/plan_9/4th_edition/papers/mk)
for good overview.
# Improvements over Plan 9 mk ## Improvements over Plan 9 mk
This mk stays mostly faithful to Plan 9, but makes a few (in my opinion) This mk stays mostly faithful to Plan 9, but makes a few (in my opinion)
improvements. improvements.
@ -72,21 +73,21 @@ improvements.
1. Pretty colors. 1. Pretty colors.
# Usage ## Usage
`mk [options] [target] ...` `mk [options] [target] ...`
## Options ### Options
* `-f filename` Use the given file as the mkfile. * `-f filename` Use the given file as the mkfile.
* `-n` Dry run, print commands without actually executing. * `-n` Dry run, print commands without actually executing.
* `-r` Force building of the immediate targets. * `-r` Force building of the immediate targets.
* `-a` Force building the targets and of all their dependencies. * `-a` Force building the targets and of all their dependencies.
* `-p` Maximum number of jobs to execute in parallel (default: 8) * `-p` Maximum number of jobs to execute in parallel (default: # CPU cores)
* `-i` Show rules that will execute and prompt before executing. * `-i` Show rules that will execute and prompt before executing.
# Non-shell recipes ## Non-shell recipes
Non-shell recipes are a major addition over Plan 9 mk. They can be used with the Non-shell recipes are a major addition over Plan 9 mk. They can be used with the
`S[command]` attribute, where `command` is an arbitrary command that the recipe `S[command]` attribute, where `command` is an arbitrary command that the recipe
@ -100,7 +101,7 @@ mean.txt:Sjulia: input.txt
mean(map(parseint, eachline(open("$prereq"))))) mean(map(parseint, eachline(open("$prereq")))))
``` ```
# Current State ## Current State
Functional, but with some bugs and some unimplemented minor features. Give it a Functional, but with some bugs and some unimplemented minor features. Give it a
try and see what you think! try and see what you think!