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16 lines
672 B
Makefile
16 lines
672 B
Makefile
#
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# mal (Make Lisp) shell readline wrapper
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#
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ifndef __mal_readline_included
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__mal_readline_included := true
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# Call bash read/readline. Since each call is in a separate shell
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# instance we need to restore and save after each call in order to
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# have readline history.
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READLINE_EOF :=
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READLINE_HISTORY_FILE := $${HOME}/.mal-history
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READLINE = $(eval __readline_temp := $(shell history -r $(READLINE_HISTORY_FILE); read -u 0 -r -e -p $(if $(1),$(1),"user> ") line && history -s -- "$${line}" && history -a $(READLINE_HISTORY_FILE) && echo "$${line}" || echo "__||EOF||__"))$(if $(filter __||EOF||__,$(__readline_temp)),$(eval READLINE_EOF := yes),$(__readline_temp))
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endif
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