Add skeleton

.gitignore

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+/**/sample.txt
+/**/input.txt

1/GNUmakefile

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+# -*- makefile-gmake -*-
+include ../GNUmakefile.common

1/makefile

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+# -*- makefile-bsdmake -*-
+.include "../makefile.common"

GNUmakefile.common

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+# -*- makefile-gmake -*-
+all:
+	@echo "\"I use Linux as my operating system,\" I state proudly to the unkempt, bearded man. He swivels"
+	@echo "around in his desk chair with a devilish gleam in his eyes, ready to mansplain with extreme"
+	@echo "precision. \"Actually\", he says with a grin, \"Linux is just the kernel. You use GNU+Linux!\" I"
+	@echo "don't miss a beat and reply with a smirk, \"I use Alpine, a distro that doesn't include the GNU"
+	@echo "Coreutils, or any other GNU code. It's Linux, but it's not GNU+Linux.\" The smile quickly drops from"
+	@echo "the man's face. His body begins convulsing and he foams at the mouth and drops to the floor with a"
+	@echo "sickly thud. As he writhes around he screams \"I-IT WAS COMPILED WITH GCC! THAT MEANS IT'S STILL GNU!"
+	@echo "Coolly, I reply \"If windows were compiled with GCC, would that make it GNU?\" I interrupt his"
+	@echo "response with \"-and work is being made on the kernel to make it more compiler-agnostic. Even if you"
+	@echo "were correct, you won't be for long.\" With a sickly wheeze, the last of the man's life is ejected"
+	@echo "from his body. He lies on the floor, cold and limp. I've womansplained him to death."
+	bmake

common.scm

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+(define (print . args)
+  (display (apply string-append args))
+  (newline))
+
+(define (command-line-arguments)
+  (cdr (command-line)))

makefile.common

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+# -*- makefile-bsdmake -*-
+INPUTS=sample.txt input.txt
+SCHEMES=chicken guile chibi racket gauche loko skint
+all: $(SCHEMES)
+chicken: main.scm
+	csi -script main.scm $(INPUTS)
+guile: main.scm
+	guile --no-auto-compile main.scm $(INPUTS)
+chibi: main.scm
+	chibi-scheme main.scm $(INPUTS)
+racket: main.scm
+	racket -I r7rs --script main.scm $(INPUTS)
+gauche: main.scm
+	gosh main.scm $(INPUTS)
+loko: main.scm
+	loko --script main.scm $(INPUTS)
+skint: main.scm
+	skint --script main.scm $(INPUTS)