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Diffstat (limited to 'src/os/exec/exec.go')
| -rw-r--r-- | src/os/exec/exec.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/os/exec/exec.go b/src/os/exec/exec.go index 7f0d68b071..c3599681c3 100644 --- a/src/os/exec/exec.go +++ b/src/os/exec/exec.go @@ -6,6 +6,15 @@ // easier to remap stdin and stdout, connect I/O with pipes, and do other // adjustments. // +// Unlike the "system" library call from C and other languages, the +// os/exec package intentionally does not invoke the system shell and +// does not expand any glob patterns or handle other expansions, +// pipelines, or redirections typically done by shells. The package +// behaves more like C's "exec" family of functions. To expand glob +// patterns, either call the shell directly, taking care to escape any +// dangerous input, or use the path/filepath package's Glob function. +// To expand environment variables, use package os's ExpandEnv. +// // Note that the examples in this package assume a Unix system. // They may not run on Windows, and they do not run in the Go Playground // used by golang.org and godoc.org. |