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When I created a .txt file whit words and spaces and then used cat /root/input.txt | sed 's/ *$//g' > output.txt it removed all spaces at the end of each line
but when I apply this to my file its...

Thank you for your response, but it just didnt work for me again. the spaces are still at the end of each line.

Hi folks,
I need to remove spaces at the end of each line in a *.txt file. it looks like this

word 1[space]
word 2[space]
.
.
.
word n[space]

i found some sed commands but any of them...