os/exec: Command() SPLAT help #20893
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Shell expansion (such as *) is a feature of the shells, not of the program that is executed, or of Go. You need to provide all parameters yourself. If you want to send a list of files to the command, you can use |
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What @zegl said. os/exec intentionally does not provide shell expansion APIs. You need to either explicitly exec the shell and have the shell do it, or explicitly glob yourself and pass the files. For questions about Go, see https://golang.org/wiki/Questions. |
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I realize though that this isn't explicitly documented, so I opened #20894. |
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What version of Go are you using (
go version)?1.8
What operating system and processor architecture are you using (
go env)?amd64
What did you do?
I cant seem to exec.Command() on any parameter which has a * or splat character. They all fail.
What did you expect to see?
I expect it to run like it runs in the shell.
What did you see instead?
err returned.
Please help!! My workaround is to write my shell script to disk and exec it and it works perfectly fine.
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