Fix: Do not write data if output is pipe

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 14 insertions, 5 deletions

diff --git a/bin/core/imag-grep/src/lib.rs b/bin/core/imag-grep/src/lib.rs
index 76ea5bca..53101a3f 100644
--- a/bin/core/imag-grep/src/lib.rs
+++ b/bin/core/imag-grep/src/lib.rs
@@ -120,12 +120,16 @@ impl ImagApplication for ImagGrep {
             .len();
 
         if opts.count {
-            writeln!(rt.stdout(), "{}", count)?;
+            if !rt.output_is_pipe() || rt.output_data_pipe() {
+                writeln!(rt.stdout(), "{}", count)?;
+            }
         } else if !opts.files_with_matches {
-            writeln!(rt.stdout(), "Processed {} files, {} matches, {} nonmatches",
-                     overall_count,
-                     count,
-                     overall_count - count)?;
+            if !rt.output_is_pipe() || rt.output_data_pipe() {
+                writeln!(rt.stdout(), "Processed {} files, {} matches, {} nonmatches",
+                         overall_count,
+                         count,
+                         overall_count - count)?;
+            }
         }
 
         Ok(())
@@ -150,6 +154,11 @@ impl ImagApplication for ImagGrep {
 }
 
 fn show(rt: &Runtime, e: &Entry, re: &Regex, opts: &Options, count: &mut usize) -> Result<()> {
+    if rt.output_is_pipe() && !rt.output_data_pipe() {
+        // leave if output is a pipe and behaviour is not overridden
+        return Ok(())
+    }
+
     if opts.files_with_matches {
         writeln!(rt.stdout(), "{}", e.get_location())?;
     } else if opts.count {