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20145: Additional arguments to read-from-minibuffer specify initial values

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of LBUFFER and RBUFFER.
This commit is contained in:
Bart Schaefer 2004-07-12 04:00:29 +00:00
parent 86ae90bc1c
commit def0167e34
3 changed files with 19 additions and 5 deletions
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6
ChangeLog
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@ -8,6 +8,12 @@
prompt variable is always reread; fixes bug that if PS1
was altered the prompt string was invalid.
2004-07-10 Bart Schaefer <schaefer@zsh.org>
* 20145: Doc/Zsh/contrib.yo, Functions/Zle/read-from-minibuffer:
second and third arguments of read-from-minibuffer now specify the
initial values of LBUFFER and RBUFFER.
2004-07-07 Peter Stephenson <pws@csr.com>
* 20142: Test/A06assign.ztst: add test for bug fixed in

14
Doc/Zsh/contrib.yo
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@ -742,12 +742,20 @@ when executing, for example, tt(execute-named-cmd)). The value is then
returned to the calling function in the parameter tt($REPLY) and the
editing buffer restored to its previous state. If the read was aborted
by a keyboard break (typically tt(^G)), the function returns status 1
and tt($REPLY) is not set. If an argument is supplied to the function
it is taken as a prompt, otherwise `tt(? )' is used.
and tt($REPLY) is not set.
If one argument is supplied to the function it is taken as a prompt,
otherwise `tt(? )' is used. If two arguments are supplied, they are the
prompt and the initial value of tt($LBUFFER), and if a third argument is
given it is the initial value of tt($RBUFFER). This provides a default
value and starting cursor placement. Upon return the entire buffer is the
value of tt($REPLY).
One option is available: `tt(-k) var(num)' specifies that var(num)
characters are to be read instead of a whole line. The line editor is not
invoked recursively in this case. Note that unlike the tt(read) builtin
invoked recursively in this case, so depending on the terminal settings
the input may not be visible, and only the input keys are placed in
tt($REPLY), not the entire buffer. Note that unlike the tt(read) builtin
var(num) must be given; there is no default.
The name is a slight misnomer, as in fact the shell's own minibuffer is

4
Functions/Zle/read-from-minibuffer
View file

@ -20,8 +20,8 @@ done
local savelbuffer=$LBUFFER saverbuffer=$RBUFFER
local savepredisplay=$PREDISPLAY savepostdisplay=$POSTDISPLAY
LBUFFER=
RBUFFER=
LBUFFER="$2"
RBUFFER="$3"
PREDISPLAY="$PREDISPLAY$savelbuffer$saverbuffer$POSTDISPLAY
${1:-? }"
POSTDISPLAY=