os: do not trim space from output of exec

cmd/tools/vrepl.v

@@ -258,7 +258,7 @@ fn run_repl(workdir string, vrepl_prefix string) {
 }
 
 fn print_output(s os.Result) {
-	lines := s.output.split('\n')
+	lines := s.output.trim_right('\n\r').split('\n')
 	for line in lines {
 		if line.contains('.vrepl_temp.v:') {
 			// Hide the temporary file name

vlib/os/os_nix.c.v

@@ -113,7 +113,7 @@ pub fn exec(cmd string) ?Result {
 		bufbp := byteptr(buf)
 		res.write_bytes( bufbp, vstrlen(bufbp) )
 	}
-	soutput := res.str().trim_space()
+	soutput := res.str()
 	//res.free()
 	exit_code := vpclose(f)
 	// if exit_code != 0 {

vlib/v/tests/prod/assoc.prod.v.expected.txt

@@ -1,3 +1,3 @@
 MyStruct {
     s: '6'
-}
+}

vlib/v/tests/repl/repl_test.v

@@ -21,7 +21,7 @@ fn test_the_v_compiler_can_be_invoked() {
 	}
 	// println('"$vcmd_error" exit_code: $r_error.exit_code | output: $r_error.output')
 	assert r_error.exit_code == 1
-	assert r_error.output == "builder error: nonexisting.v doesn't exist"
+	assert r_error.output.trim_space() == "builder error: nonexisting.v doesn't exist"
 }
 
 struct Session {

vlib/v/tests/repl/runner/runner.v

@@ -44,7 +44,7 @@ pub fn run_repl_file(wd string, vexec string, file string) ?string {
 	fcontent := os.read_file(file) or {	return error('Could not read file ${file}') }
 	content := fcontent.replace('\r', '')
 	input := content.all_before('===output===\n')
-	output := content.all_after('===output===\n')
+	output := content.all_after('===output===\n').trim_right('\n\r')
 
 	fname := os.file_name( file )
 
@@ -66,6 +66,7 @@ pub fn run_repl_file(wd string, vexec string, file string) ?string {
 	.replace(wd  + os.path_separator, '' )
 	.replace(vexec_folder, '')
 	.replace('\\', '/')
+	.trim_right('\n\r')
 
 	if result != output {
 		file_result   := '${file}.result.txt'