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--- bash:files:copy_files_to_different_directory [2022/06/13 10:15] – created peter
+++ bash:files:copy_files_to_different_directory [2022/06/13 10:16] (current) – peter
@@ Line 1: / Line 1: @@
 ====== BASH - Files - Copy files to different directory ======
+<code bash>
+#!/bin/bash
+for filename in *; do
+  if [[ -f "$filename" ]]; then
+    base=${filename%.*}
+    ext=${filename#$base.}
+    mkdir -p "${ext}"
+    mv "$filename" "${ext}"
+  fi
+done
+</code>
+----
+===== Copy all files by extension to single directory =====
+<code bash>
+find . -name \*.txt -exec cp {} someDirectory \;
+</code>
+or
+<code bash>
+find . -name "file*" -exec mv {} /tmp \;
+</code>
+<WRAP info>
+**NOTE:**  The open brackets **{}** are a placeholder for the argument which is to be used from the output of find.
+</WRAP>
+<WRAP info>
+**NOTE:**  Why not just use **mv file* /tmp**.
+  * Problem with Moving Large Number of Files
+    * Linux systems have a predefined limit on the maximum number of arguments that can be used with a single command.
+    * This limit varies from system to system based on the stack size.
+    * Thus, if a very high number of files are being specified with the wildcard; e.g. over a hundred thousand files, it throws an error: **Argument list too long**.
+</WRAP>
+----