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--- linux [2022/10/01 17:01] – roger
+++ linux [2023/01/11 10:33] (current) – [Print the first column of a string] roger
@@ Line 153: / Line 153: @@
 Where ''/'' is the filesystem you want to check
+===== awk =====
+==== Print the first column of a string ====
+<code bash>
+echo "This is a string" | awk '{print ($1)}'
+# Output: "This"
+</code>
+==== Print a full string in lowercase or uppercase ====
+<code bash>
+echo "This Is A CaPiTaLiZeD String" | awk '{print tolower($0)}'
+# Output: "this is a capitalized string"
+echo "This Is A CaPiTaLiZeD String" | awk '{print toupper($0)}'
+# Output: "THIS IS A CAPITALIZED STRING"
+</code>