On 1/29/18 5:47 PM, Egmont Koblinger wrote:
> Bash Version: 4.4
> Patch Level: 12
> Release Status: release
>
> Hi,
>
> Repeat-By:
> "set enable-bracketed-paste on" in inputrc
>
> Start any simple (non-readline) command just as "cat".
>
> Press TAB, then press backspace.
>
> Expected behavior: The cursor should move back to the beginning of the
> row.
>
> Actual behavior: The cursor moves back by 1 character.
>
> Description:
> What happens behind the scenes is: bash (readline) first emits the
> newline corresponding to the Enter keypress, and then disables
> bracketed paste mode by printing "\e[?2004l". These characters don't
> move the cursor in terminal emulators, but the Linux kernel's tty
> driver doesn't know this. It believes that the cursor has already
> advanced by 7 positions, and computes the tab + backspace behavior
> accordingly.
>
> Fix:
> Suggested solution: Either turn off bracketed paste before
> printing the newline, or emit yet another CR after turning off
> bracketed paste mode.
It seems like adding \r to the end of the sequence to turn off bracketed
paste mode should do the trick.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
