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ed:tldr:98d5e
The "ed" command is a line-based text editor in Unix-like operating systems. It is used for editing files in a command-line environment. The "--verbose" option is used to enable verbose mode, which provides more detailed information or feedback during editing.
When you run "ed --verbose" on the command line, the editor will start and display various information. This can include the version of the editor, the current file being edited, the line numbers of the text being processed, and additional details about the actions taken.
Verbose mode can be useful when you want more visibility into the internal operations of the editor. It helps identify which lines are being modified, inserted, or deleted, providing a clearer understanding of the changes being made to the file.
Here is an example of how the output might look when using "ed --verbose":
ed version 1.5
Editing: /path/to/file.txt
1 some text
2 some more text
3 even more text
> 1,3d
2 some more text
> 1i
new line inserted
> w
3 lines written to /path/to/file.txt
In this example, the editor starts with version information and indicates that it is editing the "/path/to/file.txt" file. It then executes some commands, such as deleting lines 1 to 3, inserting a new line, and finally writing the changes to the file. The output also provides feedback about the number of lines being modified or written.