feature(user) Add legacy user scripts

[BK-2020-03.git] / user / bkdatename

diff --git a/user/bkdatename b/user/bkdatename
new file mode 100755 (executable)
index 0000000..ace4e01
--- /dev/null
+++ b/user/bkdatename
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Date: 2020-05-10T15:27Z
+# Author: Steven Baltakatei Sandoval
+# License: GPLv3+
+# Ref./Attrib:
+#  [1]: John1024 (2014-08-06). ["linux-shell: renaming files to creation time"](https://stackoverflow.com/a/25153352). Licensed CC BY-SA 4.0.
+#  [2]: Computer Hope (2019-05-04). ["Bash read builtin command"](https://www.computerhope.com/unix/bash/read.htm).
+
+# Description: Preappends modification time to all files in current
+# working directory.
+
+# Usage: bkdatename
+
+# Prompt to change filenames for all files in working directory.
+read -p "Append each file's modification date & time to the start of its name in the current working directory? (y/n)" -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]] # see [2]
+then
+    #Perform renaming operation.
+    for f in *
+    do
+       FILE_NAME="$f"
+       FILE_MDATE="$(date -r "$f" +"%Y%m%dT%H%M%S")" # See [1].
+       FILE_NAME_NEW="$FILE_MDATE".."$FILE_NAME"
+       # Display new file name
+       echo "Renaming $f to:""$FILE_NAME_NEW"
+       cp -p ./"$f" ./"$FILE_NAME_NEW"
+       rm ./"$f"
+    done
+    echo "Done."
+fi