Eliminate duplicate .txt files by a specific num/char -1

[me_suzy]

hello. I have several files .txt

53891.txt
53891-1.txt
83896.txt
83896-1.txt
13906.txt
13906-1.txt

I want to eliminate those that are repeated, like that files with -1. Can someone help me?

[jfcherng]

non-ST-related.

linux/mac: $ rm *-1.txt
win: del *-1.txt

[me_suzy]

del *-1.txt

how can I use on win this -1.txt ?? I try this witch total commander, doesn’t work

[jfcherng]

it’s a built-in cmd command.

[me_suzy]

it’s a built-in cmd command.

please, can you be more specific? I don’t know exactly what is built-in cmd command. Can you guide me step by step?

[jfcherng]

0. hold shift and right click on the directory background.

0. del *-1.txt

[me_suzy]

del *-1.txt

thanks, works perfect !!