feat(bktemp):Add promptLoop template
[BK-2020-03.git] / user / bkdatename
1 #!/bin/bash
2
3 # Date: 2020-05-10T15:27Z
4 # Author: Steven Baltakatei Sandoval
5 # License: GPLv3+
6 # Ref./Attrib:
7 # [1]: John1024 (2014-08-06). ["linux-shell: renaming files to creation time"](https://stackoverflow.com/a/25153352). Licensed CC BY-SA 4.0.
8 # [2]: Computer Hope (2019-05-04). ["Bash read builtin command"](https://www.computerhope.com/unix/bash/read.htm).
9
10 # Description: Preappends modification time to all files in current
11 # working directory.
12
13 # Usage: bkdatename
14
15 # Prompt to change filenames for all files in working directory.
16 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
17 echo
18 if [[ $REPLY =~ ^[Yy]$ ]] # see [2]
19 then
20 #Perform renaming operation.
21 for f in *
22 do
23 FILE_NAME="$f"
24 FILE_MDATE="$(date -r "$f" +"%Y%m%dT%H%M%S")" # See [1].
25 FILE_NAME_NEW="$FILE_MDATE".."$FILE_NAME"
26 # Display new file name
27 echo "Renaming $f to:""$FILE_NAME_NEW"
28 cp -p ./"$f" ./"$FILE_NAME_NEW"
29 rm ./"$f"
30 done
31 echo "Done."
32 fi