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users/13902: make isearch return status useful

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add LASTABORTEDSEARCH variable
This commit is contained in:
Peter Stephenson 2009-03-13 10:04:21 +00:00
parent 1f37225708
commit ea29159571
4 changed files with 83 additions and 25 deletions
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15
Doc/Zsh/zle.yo
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@ -721,10 +721,16 @@ effectively sets the maximum length of the kill ring, while the number of
non-zero strings gives the current length, both as seen by the user at the
command line.
)
vindex(LASTABORTEDSEARCH)
item(tt(LASTABORTEDSEARCH) (scalar))(
The last search string used by an interactive search that was
aborted by the user (status 3 returned by the search widget).
)
vindex(LASTSEARCH)
item(tt(LASTSEARCH) (scalar))(
The last search string used by an interactive search ; read-only.
The last search string used by an interactive search; read-only.
This is set even if the search failed (status 0, 1 or 2 returned
by the search widget), but not if it was aborted by the user.
)
vindex(LASTWIDGET)
item(tt(LASTWIDGET) (scalar))(
@ -1116,7 +1122,10 @@ item(tt(history-incremental-search-backward) (^R ^Xr) (unbound) (unbound))(
Search backward incrementally for a specified string. The search is
case-insensitive if the search string does not have uppercase letters and no
numeric argument was given. The string may begin with `tt(^)' to anchor the
search to the beginning of the line.
search to the beginning of the line. When called from a user-defined
function returns the following statuses: 0, if the search succeeded;
1, if the search failed; 2, if the search term was a bad pattern;
3, if the search was aborted by the tt(send-break) command.
A restricted set of editing functions
is available in the mini-buffer. Keys are looked up in the special