ltrim(), rtrim(), and trim() in awk 的修订

没有任何变更

1 file changed, 12 insertions

trim.awk(文件已创建)

		@@ -0,0 +1,12 @@
1	+	function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s }
2	+	function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s }
3	+	function trim(s) { return rtrim(ltrim(s)); }
4	+	BEGIN {
5	+	# whatever
6	+	}
7	+	{
8	+	# whatever
9	+	}
10	+	END {
11	+	# whatever
12	+	}