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--- bash:files:read_a_file:basic_read [2021/01/26 13:21] – peter
+++ bash:files:read_a_file:basic_read [2021/01/26 16:47] (current) – peter
@@ Line 42: / Line 42: @@
 </WRAP>
+----
+===== Checking that returned line is not empty =====
+<code bash>
+#!/bin/bash
+while IFS='' read -r line || [[ -n "$line" ]]; do
+  echo "Text read from file: $line"
+done < "$1"
+</code>
+<WRAP info>
+**NOTE:**  The **-n** checks if the string is not null.
+This is the opposite of **-z**, which checks if a string is null, i.e. it has zero length.
+</WRAP>