kwrite
Text editor of the KDE Desktop project.
TLDR
Open a text file
$ kwrite [path/to/file]
Open multiple text files
$ kwrite [file1 file2 ...]
Open a text file with a specific encoding
$ kwrite --encoding=[UTF-8] [path/to/file]
Open a text file and navigate to a specific line and column
$ kwrite --line [line_number] --column [column_number] [path/to/file]