zsh with 'setopt noclobber' won't overwrite an existing file with '>', instead requiring '>|'. The history recall conveniently fills in the '|' for you if you u

zsh with 'setopt noclobber' won't overwrite an existing file with '>', instead requiring '>|'. The history recall conveniently fills in the '|' for you if you up-arrow after a failed call. It works pretty nicely - I imagine other shells have similar.