Ada95/samples/split-path.awk

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# Copyright 2020,2022 Thomas E. Dickey                                       #
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#
#  Author:  Thomas E. Dickey
#
#  $Id: split-path.awk,v 1.4 2022/11/26 23:46:20 tom Exp $
BEGIN	{ cols = 72; }
/[$]THIS_DATADIR/ {
	if (substr(this_datadir, length(this_datadir)) != "/")
		this_datadir = this_datadir "/";
	gsub("[$]THIS_DATADIR", "\"" this_datadir "\"");
	if ( length ($0) > cols ) {
		indent = index($0, "\"") - 1;
		broken = index($0, "&");
		if (broken > 0 && broken < indent)
			indent = broken - 1;
		leader = sprintf ("%*s& ", indent, " ");
		buffer = $0;
		first  = 1;
		while ( length(buffer) > cols ) {
			printf("%.*s\"\n", cols, buffer);
			buffer = leader "\"" substr(buffer, cols + 1);
		}
		if ( buffer != "" && buffer != leader "\"\"" )
			printf("%.*s\n", cols, buffer);
		next;
	}
}
{
	print;
}