wait-for
A small utility that waits for a file to exist, optionally with some permissions.
Building
Either via Docker:
$ git submodule update --init --recursive
$ docker build -t zeit/wait-for .or using CMake (requires Linux)
$ git submodule update --init --recursive
$ mkdir build && cd build
$ cmake .. -DCMAKE_BUILD_TYPE=Release
$ cmake --build .Usage
wait-for [--help] [-rwx] [-dfps] [-U <username>] <file>
Wait for a file to exist and optionally have one or modes
-h, --help Shows this help message
-x, --execute Wait for the path to become executable
-r, --read Wait for the path to become readable
-w, --write Wait for the path to become writable
-p, --pipe Wait for the path to be a pipe (FIFO)
-s, --socket Wait for the path to be a socket
-f, --file Wait for the path to be a regular file
-d, --directory Wait for the path to be a directory
-U, --username The username to run access checks for (NOT the user ID)
If multiple modes are specified, wait-for waits for all of them to become available.
If multiple file types are specified, wait-for waits for the file to be any one of the specified types.
License
Copyright © 2018 ZEIT, Inc. Released under the MIT License.