diff options
Diffstat (limited to 'libbutl/command.mxx')
| -rw-r--r-- | libbutl/command.mxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libbutl/command.mxx b/libbutl/command.mxx index 0e6617b..8423f59 100644 --- a/libbutl/command.mxx +++ b/libbutl/command.mxx @@ -37,6 +37,11 @@ LIBBUTL_MODEXPORT namespace butl // error, ios::failure on the underlying OS error, process_error on the // process running error and std::system_error on the builtin running error. // + // To run a system utility rather than a builtin prefix its name with `^`, + // for example: + // + // ^cat --squeeze-blank file + // // The process environment path is unused and must point to the empty // process path. // |