问题
I am trying to create a custom Context Menu option for duplicating the selected file and appending date and time string to the copied file's name.
Below is the command I have set in registry, in the HKCU > Softwares > Classes > * > Shell > Duplicate This File > Command:
cmd /s /d /c @echo off & setlocal EnableExtensions EnableDelayedExpansion & set TIME=%TIME: =0% & set DateTimeFn=%DATE:~10,4%-%DATE:~4,2%-%DATE:~7,2%_!TIME:~0,2!-!TIME:~3,2!-!TIME:~6,2! & copy /y %1 %1_!DateTimeFn! & pause > nul
But somehow the enabledelayedexpansion doesn't work correcty, cause when I try to use this on file test.js it duplicates it as test.js_!DateTimeFn!.
Also it doesn't work well with spaces in filenames. Can anyone guide and help fix this ?
I would prefer one-liner over creating separate batch script as far as it's possible.
Sample of registry file in which I am trying to run the command with switches and variable expansions:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Classes\*\shell\Duplicate This File II]
[HKEY_CURRENT_USER\Software\Classes\*\shell\Duplicate This File II\command]
@="cmd /v:on /c @echo off & set TIME=%TIME: =0% & set DateTimeFn=%DATE:~10,4%-%DATE:~4,2%-%DATE:~7,2%_!TIME:~0,2!-!TIME:~3,2!-!TIME:~6,2! & copy /y %1 %1_!DateTimeFn! & pause > nul"
回答1:
You will need to use the argument in a FOR command and then you can use the command modifiers to get the file name separated from the extension.
cmd /Q /V:ON /E:ON /C "set TIME=%%TIME: =0%% & set DateTimeFn=%%DATE:~10,4%%-%%DATE:~4,2%%-%%DATE:~7,2%%_!TIME:~0,2!-!TIME:~3,2!-!TIME:~6,2! &FOR %%G IN ("%1") do copy "%1" "%%~nG_!DateTimeFn!%%~xG" & pause>nul"
Here is the actual registry export.
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Classes\*\shell\Time_Stamp_FileName]
[HKEY_CURRENT_USER\Software\Classes\*\shell\Time_Stamp_FileName\command]
@="cmd /Q /V:ON /E:ON /C \"set TIME=%%TIME: =0%% & set DateTimeFn=%%DATE:~10,4%%-%%DATE:~4,2%%-%%DATE:~7,2%%_!TIME:~0,2!-!TIME:~3,2!-!TIME:~6,2! &FOR %%G IN (\"%1\") do copy \"%1\" \"%%~nG_!DateTimeFn!%%~xG\" & pause>nul\""
来源：https://stackoverflow.com/questions/51413014/custom-context-menu-option-for-duplicating-selected-file-not-working-as-expected