The 201712 {01 .. 31}/pdf file under the simulated test file contains 100 PDF files.

1. Simulate the 201712 {01 .. 31}/PDF files under the test file. There are 100 PDF files under these folders.
Note that the gray part has backquotes.
[[Email protected] ~] # Cat B. Sh
#! /Bin/bash
CD/root/Test & mkdir-P 201712 {01 .. 31}/PDF
Wj = Find/root/moban-type F
For f in Find/root/test/201712 {01 .. 31}/PDF-type D
Do
CP $ WJ $ F &>/dev/null
Done
[[Email protected] ~] #
2. Write the for loop directly in the command line
[[Email protected] moban] # For f in {002. 100}; do CP ph0000 001. pdf ph0000Define fenders; done

The 201712 {01 .. 31}/pdf file under the simulated test file contains 100 PDF files.