Replace echo command invocations with printf

to be more portable.

1 files changed, 4 insertions, 4 deletions

diff --git a/t/merge.t b/t/merge.t
index b5c6dc7..8a4aee3 100755
--- a/t/merge.t
+++ b/t/merge.t
@@ -122,7 +122,7 @@ foreach my $test (@merge_success) {
     foreach my $buf_size (@{$test->[1]}) {
         SKIP: {
             skip 'compiling failed (merge part line)', 1 unless $compile->($buf_size);
-            ok(qx(echo -n "$test->[0]" | $programs{$buf_size} --clean) eq $test->[0], 'merge success: ' . $test_name->($test->[0], $buf_size));
+            ok(qx(printf %s "$test->[0]" | $programs{$buf_size} --clean) eq $test->[0], 'merge success: ' . $test_name->($test->[0], $buf_size));
         }
     }
 }
@@ -130,14 +130,14 @@ foreach my $test (@merge_fail) {
     my $buf_size = $test->[1];
     SKIP: {
         skip 'compiling failed (merge part line)', 1 unless $compile->($buf_size);
-        ok(qx(echo -n "$test->[0]" | $programs{$buf_size} --clean) eq substr($test->[0], 0, $buf_size), 'merge fail: ' . $test_name->($test->[0], $buf_size));
+        ok(qx(printf %s "$test->[0]" | $programs{$buf_size} --clean) eq substr($test->[0], 0, $buf_size), 'merge fail: ' . $test_name->($test->[0], $buf_size));
     }
 }
 foreach my $test (@buffer) {
     my $buf_size = length($test) - 1;
     SKIP: {
         skip 'compiling failed (merge part line)', 1 unless $compile->($buf_size);
-        ok(qx(echo -n "$test" | $programs{$buf_size} --clean) eq substr($test, 0, $buf_size), 'buffer: ' . $test_name->($test, $buf_size));
+        ok(qx(printf %s "$test" | $programs{$buf_size} --clean) eq substr($test, 0, $buf_size), 'buffer: ' . $test_name->($test, $buf_size));
     }
 }
 foreach my $test (@pushback) {
@@ -145,7 +145,7 @@ foreach my $test (@pushback) {
     SKIP: {
         my $program = tmpnam();
         skip 'compiling failed (merge part line)', 1 unless system("gcc -DBUF_SIZE=$buf_size -o $program $source") == 0;
-        ok(qx(echo -n "$test->[0]" | $program --clean) eq $test->[0], 'pushback: ' . $test_name->($test->[0], $buf_size));
+        ok(qx(printf %s "$test->[0]" | $program --clean) eq $test->[0], 'pushback: ' . $test_name->($test->[0], $buf_size));
         unlink $program;
     }
 }