runcmd: Add stdout/stderr accessors

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/subplotlib/src/steplibrary/runcmd.rs b/subplotlib/src/steplibrary/runcmd.rs
index f42df6e..5fc12eb 100644
--- a/subplotlib/src/steplibrary/runcmd.rs
+++ b/subplotlib/src/steplibrary/runcmd.rs
@@ -67,9 +67,24 @@ impl ContextElement for Runcmd {
 }
 
 impl Runcmd {
+    /// Prepend the given location to the run path
     pub fn prepend_to_path<S: Into<OsString>>(&mut self, element: S) {
         self.paths.push(element.into());
     }
+
+    /// Retrieve the last run command's stdout as a string.
+    ///
+    /// This does a lossy conversion from utf8 so should always succeed.
+    pub fn stdout_as_string(&self) -> String {
+        String::from_utf8_lossy(&self.stdout).into_owned()
+    }
+
+    /// Retrieve the last run command's stderr as a string.
+    ///
+    /// This does a lossy conversion from utf8 so should always succeed.
+    pub fn stderr_as_string(&self) -> String {
+        String::from_utf8_lossy(&self.stderr).into_owned()
+    }
 }
 
 #[step]