57 lines
1.8 KiB
Go
57 lines
1.8 KiB
Go
package rcat
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import (
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"log"
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"os"
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"time"
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"github.com/ncw/rclone/cmd"
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"github.com/ncw/rclone/fs/operations"
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"github.com/spf13/cobra"
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)
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func init() {
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cmd.Root.AddCommand(commandDefintion)
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}
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var commandDefintion = &cobra.Command{
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Use: "rcat remote:path",
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Short: `Copies standard input to file on remote.`,
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Long: `
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rclone rcat reads from standard input (stdin) and copies it to a
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single remote file.
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echo "hello world" | rclone rcat remote:path/to/file
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ffmpeg - | rclone rcat remote:path/to/file
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If the remote file already exists, it will be overwritten.
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rcat will try to upload small files in a single request, which is
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usually more efficient than the streaming/chunked upload endpoints,
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which use multiple requests. Exact behaviour depends on the remote.
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What is considered a small file may be set through
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` + "`--streaming-upload-cutoff`" + `. Uploading only starts after
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the cutoff is reached or if the file ends before that. The data
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must fit into RAM. The cutoff needs to be small enough to adhere
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the limits of your remote, please see there. Generally speaking,
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setting this cutoff too high will decrease your performance.
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Note that the upload can also not be retried because the data is
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not kept around until the upload succeeds. If you need to transfer
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a lot of data, you're better off caching locally and then
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` + "`rclone move`" + ` it to the destination.`,
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(1, 1, command, args)
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stat, _ := os.Stdin.Stat()
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if (stat.Mode() & os.ModeCharDevice) != 0 {
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log.Fatalf("nothing to read from standard input (stdin).")
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}
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fdst, dstFileName := cmd.NewFsDstFile(args)
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cmd.Run(false, false, command, func() error {
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_, err := operations.Rcat(fdst, dstFileName, os.Stdin, time.Now())
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return err
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})
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},
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}
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