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+# bsnl.awk - eliminate backslash-newline sequences
+# Public domain. Originally written 2010, Karl Berry.
+
+# on a line ending with a backslash, save it (minus the backslash).
+/\\$/ {
+ buf = buf substr ($0, 1, length ($0) - 1);
+ next;
+ }
+
+# on other lines, print the buffer if there is one, then the regular line.
+ {
+ if (buf) {
+ printf "%s", buf; # don't print a newline
+ buf = "";
+ }
+ print;
+ }