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$() removes trailing newlines from the output

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vrd
2025-06-06 18:00:38 +03:00
parent 6da2d6bc0f
commit 010b8bc699
5 changed files with 34 additions and 21 deletions
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test/functions_test.cppipe
+19 -14
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@@ -24,16 +24,17 @@ int main(int argc, char* argv[])
string out1 = $(ll + "src" | grep + "inl" | grep + "child");
if(out1.find("childProcess.inl") != string::npos)
cout << "OK 0/11" << endl;
cout << "OK 0/12" << endl;
string out2 = $(echo + "abc" + "def");
if(auto len = out2.size(); len != 8)
// "abc def" = 7 chars, trailing newlines are stripped by $()
if(auto len = out2.size(); len != 7)
{
cerr << "FAILURE: unexpected output length " << len << endl;
exit(1);
}
Cmd success("echo", "OK 1/11");
Cmd success("echo", "OK 1/12");
Cmd fail("mkdir", ".");
Cmd unexpected("echo", "FAILURE");
success &&
@@ -45,30 +46,34 @@ int main(int argc, char* argv[])
// unexpected &&
// unexpected;
Cmd write_file("echo", "Existing ", " ", "file. OK 2/11");
Cmd write_file("echo", "Existing ", " ", "file. OK 2/12");
write_file > "file.txt";
grep + "Existing" < "file.txt";
echo + "Appended to file OK 3/11" >> "file.txt";
echo + "Appended to file OK 3/12" >> "file.txt";
grep + "Appended" < "file.txt" &&
rm + "file.txt" &&
fail ||
Cmd("echo", "OK 4/11");
Cmd("echo", "OK 4/12");
echo + "OK 5/11" &&
echo + "OK 6/11",
Cmd("echo", "OK 7/11");
echo + "OK 5/12" &&
echo + "OK 6/12",
Cmd("echo", "OK 7/12");
echo + "OK 8/11" &
echo + "OK 9/11" &&
echo + "OK 10/11";
echo + "OK 8/12" &
echo + "OK 9/12" &&
echo + "OK 10/12";
// wait for all detached
while(wait(nullptr) != -1);
exec( echo + "OK 11/11" );
Cmd run_OK = echo;
run_OK.append_args({ "OK 11/12" });
run( run_OK );
exec( echo + "OK 12/12" );
// todo
// exec( echo + $(echo + "OK 11/11") );
// exec( echo + $(echo + "OK 11/12") );
}