epm-sed

# yes i can do this in sed, why you say? becouse i want to :)
# s/^[^a-z \t].*//;/^$/d    # Remove non-parsed lines
# /\[/ { :r                 # Start loop looking for end ]
# 	/\]/!N; s/,?\n/,/; tr;  # If ending ] is not found, append and repeat 
# 	}
# s/\s+/ /g;                # Normalize spaces
# p                         # Print the pattern space
sed -nE 's/^[^a-z \t].*//;/^$/d; /\[/ { :r; /\]/!N; s/,?\n/,/; tr; }; s/\s+/ /g; p' $conffile

# Will parse:
#dependencies <-
#	lager  =2.0.0 @github.basho @basho #2.0.0rc1
#	tavern @github.lafka
#	riak-erlang-client @github.basho @github.lafka [ name = riakc
#		version = "1.3.1.1"
#		ref = "1.3.1.1" ]
# Into:
# dependencies <-
#  lager =2.0.0 @github.basho @basho #2.0.0rc1
#  tavern @github.lafka
#  riak-erlang-client @github.basho @github.lafka [ name = riakc, version = "1.3.1.1", ref = "1.3.1.1" ]