aux/emcollect


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#!/bin/awk -f

# aux/emcollect -- collect hyperlink references in em source

function collect(line) {
	left = $0
	right = $0
	sub("^ \\[", "", left)
	sub("\\].*$", "", left)
	sub("^ \\[[0-9a-z]\\]+ ", "", right)
	printf "%s=%s\n", left, right
}

BEGIN { expectblock = 1 }

/^$/							{ expectblock = 1; getline }
expectblock && /^ \[[0-9a-z]\]+ /	{ block = "nl"; expectblock = 0 }
block = "nl" && /^ \[[0-9a-z]\]+ [^ 	]+$/	{ collect($0); next }