$ tr -s x -d '\\' tr: extra operand ‘\\\\’ Try 'tr --help' for more information.
I only gave '\\'.
- bug#26631: tr: extra operand ‘\\\\’ 積丹尼 Dan Jacobson
- bug#26631: tr: extra operand ‘\\\\’ Pádraig Brady
$ tr -s x -d '\\' tr: extra operand ‘\\\\’ Try 'tr --help' for more information.
I only gave '\\'.