From 98ef29fdcadffc0a05c91883c4ab8809a8b0d441 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Wed, 23 Jun 2021 20:30:13 +0300
Subject: More doc updates.

---
 awklib/eg/lib/isnumeric.awk | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'awklib/eg/lib/isnumeric.awk')

diff --git a/awklib/eg/lib/isnumeric.awk b/awklib/eg/lib/isnumeric.awk
index 6309e76a..c2699022 100644
--- a/awklib/eg/lib/isnumeric.awk
+++ b/awklib/eg/lib/isnumeric.awk
@@ -2,13 +2,18 @@
 
 function isnumeric(x,  f)
 {
-	switch (typeof(x)) {
-	case "strnum":
-	case "number":
-		return 1
-	case "string":
-		return (split(x, f, " ") == 1) && (typeof(f[1]) == "strnum")
-	default:
-		return 0
-	}
+    switch (typeof(x)) {
+    case "strnum":
+    case "number":
+        return 1
+    case "string":
+        return (split(x, f, " ") == 1) && (typeof(f[1]) == "strnum")
+    default:
+        return 0
+    }
 }
+
+Please note that leading or trailing white space is disregarded in deciding
+whether a value is numeric or not, so if it matters to you, you may want
+to add an additional check for that.
+
-- 
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