Description
https://anaconda.org/bioconda/red
(red) ant@hillary:~$ red --help
GNU ed is a line-oriented text editor. It is used to create, display,
modify and otherwise manipulate text files, both interactively and via
shell scripts. A restricted version of ed, red, can only edit files in
the current directory and cannot execute shell commands. Ed is the
'standard' text editor in the sense that it is the original editor for
Unix, and thus widely available. For most purposes, however, it is
superseded by full-screen editors such as GNU Emacs or GNU Moe.
Usage: /usr/bin/ed [options] [file]
Options:
-h, --help display this help and exit
-V, --version output version information and exit
-G, --traditional run in compatibility mode
-l, --loose-exit-status exit with 0 status even if a command fails
-p, --prompt=STRING use STRING as an interactive prompt
-r, --restricted run in restricted mode
-s, --quiet, --silent suppress diagnostics, byte counts and '!' prompt
-v, --verbose be verbose; equivalent to the 'H' command
Start edit by reading in 'file' if given.
If 'file' begins with a '!', read output of shell command.
Exit status: 0 for a normal exit, 1 for environmental problems (file
not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or
invalid input file, 3 for an internal consistency error (eg, bug) which
caused ed to panic.
Report bugs to bug-ed@gnu.org
Ed home page: http://www.gnu.org/software/ed/ed.html
General help using GNU software: http://www.gnu.org/gethelp
(red) ant@hillary:~$