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Omit port number in --listen for automatic port assignment

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Close #3200
This commit is contained in:
Junegunn Choi
2023-03-19 15:42:47 +09:00
parent 3c34dd8275
commit fcd7e8768d
6 changed files with 77 additions and 24 deletions
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10
man/man1/fzf.1
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@@ -738,9 +738,12 @@ ncurses finder only after the input stream is complete.
e.g. \fBfzf --multi | fzf --sync\fR
.RE
.TP
.B "--listen=HTTP_PORT"
.B "--listen[=HTTP_PORT]"
Start HTTP server on the given port. It allows external processes to send
actions to perform via POST method.
actions to perform via POST method. If the port number is omitted or given as
0, fzf will choose the port automatically and export it as \fBFZF_PORT\fR
environment variable to the child processes started via \fBexecute\fR and
\fBexecute-silent\fR actions.
e.g.
\fB# Start HTTP server on port 6266
@@ -748,6 +751,9 @@ e.g.
# Send action to the server
curl -XPOST localhost:6266 -d 'reload(seq 100)+change-prompt(hundred> )'
# Choose port automatically and export it as $FZF_PORT to the child process
fzf --listen --bind 'start:execute-silent:echo $FZF_PORT > /tmp/fzf-port'
\fR
.TP
.B "--version"