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##### Vars/functions
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# OS
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os = $(shell uname)
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SED = sed -$(if $(filter Darwin,$(os)),E,r)
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##### General targets
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all = vegbien.sql vegbien_empty.sql vegbien.my.sql
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all: _always $(all) ;
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.SUFFIXES: # turn off built-in suffix rules
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.SECONDARY: # don't automatically delete intermediate files
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.DELETE_ON_ERROR: # delete target if recipe fails
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_always:
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.PHONY: _always
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clean: _always
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	$(RM) $(all)
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%:: %.make
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	./$< >$@
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##### VegBIEN DB
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empty = $(SED) -n \
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's/^CREATE TABLE ([0-9A-Za-z_]+) \($$/TRUNCATE \1 CASCADE;/p' <$< >$@
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%_empty.sql: %.sql
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	$(empty)
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##### MySQL schema for ERD
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repl = ../bin/repl
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%.my.sql: %.sql ../lib/PostgreSQL-MySQL.csv filter_ERD.csv
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	$(repl) <$(wordlist 1,2,$+)|$(repl) $(word 3,$+) >$@
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