99 Bottles of Beer

Voting

Please select* Bad as Hell** Nothing new*** Good**** Nice Coding***** TOP GEEK

Category

real language

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make is technically a tool for building applications, but it's 
amazing what a pre-processor and recursion can do for you.

#
#
# quick effort at 99 bottles program using gnu make
#
# the file must be called makefile.bottles
#
# Author: Andrew Dunstan (andrew.dunstan@its.maynick.com.au)
#
 
default:
        $(MAKE) -f makefile.bottles BOTTLES=99 bottles
 
.SILENT:
 
bottles:
        echo $(BOTTLES) bottles of beer on the wall
        echo $(BOTTLES) of beer
        echo Take one down and pass it around
ifeq ($(BOTTLES),0)
        echo No bottles of beer on the wall
else
        echo `expr $(BOTTLES) - 1` bottles of beer on the wall
        echo
        $(MAKE) -f makefile.bottles BOTTLES=`expr $(BOTTLES) - 1`  bottles
endif

Alternative Versions

Version	Author	Date	Comments	Rate
make syntax,portable,simple,dependencies	rahul	03/17/08	0

Comments

 Anonymous said on 06/20/05 06:47:57

quite interestingly smaller than a lot of other programs :\

 Rune Berge said on 06/20/05 16:28:00

Yes, but it's not completely fair to compare it to programs that don't cheat by not handling the singular case of bottles.

 Phil Ashby said on 11/21/05 15:48:40

This was the original GNU make version that annoyed me by using backticks and expr to do the math, hence my pure GNU Make version.. however I think there is a better way... (since I only got one vote for Bad as Hell

 Krzysztof Nosek said on 03/24/06 10:36:25

Well, using external math or even simulating math via chains of conditionals is unnecessary. Naming file specifically or recurring the call of make also... Please have a look on an alternate version at

http://www.99-bottles-of-beer.net/language-gnu-make-1097.html

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