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# Adapted from http://stackoverflow.com/questions/1682442/reading-java-properties-file-from-bash/2318840#2318840
BEGIN {
FS="=";
n="";
v="";
c=0; # Not a line continuation.
}
/^\#/ { # The line is a comment. Breaks line continuation.
c=0;
next;
}
/\\$/ && (c==0) && (NF>=2) { # Name value pair with a line continuation...
e=index($0,"=");
n=substr($0,1,e-1);
v=substr($0,e+1,length($0) - e - 1); # Trim off the backslash.
c=1; # Line continuation mode.
next;
}
/^[^\\]+\\$/ && (c==1) { # Line continuation. Accumulate the value.
v= "" v substr($0,1,length($0)-1);
next;
}
((c==1) || (NF>=2)) && !/^[^\\]+\\$/ { # End of line continuation, or a single line name/value pair
if (c==0) { # Single line name/value pair
e=index($0,"=");
n=substr($0,1,e-1);
v=substr($0,e+1,length($0) - e);
} else { # Line continuation mode - last line of the value.
c=0; # Turn off line continuation mode.
v= "" v $0;
}
# Make sure the name is a legal shell variable name
gsub(/[^A-Za-z0-9_]/,"_",n);
# Silently drop everything that might confuse bash.
gsub(/[\n\r\\\t'"\$!]/,"",v);
print "export " n "=\"" v "\" || echo \"Failed to set " n "\""; # don't make bash crap out when a property could not be parsed
n = "";
v = "";
}
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