Copy file on application server with codepage changed

Hello Gurus,
I need to copy an existing *.csv file on the application server to a different location as a *.txt file with the code page UTF-8 /8400/ in the background.
Example:
I have a file with the name is: 'new.csv' in the DIR: '/SERVER/NEW'.
I need to convert the file to 'UTF-8' and copy to DIR: '/SERVER/ARCHIVE' with the name: 'archive.txt'
I was able to get the file via FM: DX_FILE_READ into an internal table. Now I tried to use GUI_UPLOAD, but failed due to the fact the GUI_UPLOAD will just upload a file from PC to an internal table. Additionally I need to run the report in background. So the FG: SFES will not do.
Could you please give me a hint on this?
I am running in a circle
Any help will be rewarded.
Thank you!
Martin

Hello Atish, Satish
Thank you for the quick answer!
@Atish,
Your guide is very helpful and I have downloaded it for further use, however I do not need to make any uploads/downloads from and to PC in the background.
@Satish
The OPEN DATASET helped. This works in the background as well.
I have allotted points to both of you as promised.
Thanks again!
Sample of the code I used:
OPEN DATASET g_out_file FOR OUTPUT IN TEXT MODE ENCODING UTF-8.
LOOP AT lt_file INTO ll_file.
TRANSFER ll_file TO g_out_file.
ENDLOOP.
CLOSE DATASET g_out_file.
Where g_out_file is the path and file name and lt_file and ll_file are internal tables I retrieve by FM: DX_FILE_READ /type: dxrawdata/

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