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Minor change for std redirection argument parsing

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This commit is contained in:
Christos Houtouridis 2019-02-14 12:12:00 +02:00
parent 8f36da884a
commit e284226897
1 changed files with 8 additions and 2 deletions
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10
src/sequencer.cpp
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@ -91,10 +91,16 @@ namespace snel {
bool in{false}, out{false}, err{false}; bool in{false}, out{false}, err{false};
for (auto& t: command) { for (auto& t: command) {
if (t == "" || t== " ") if (t == "" || t== " ") continue; // skip crap
continue;
if (t == "&&") logic = LogicOp::AND; if (t == "&&") logic = LogicOp::AND;
else if (t == "||") logic = LogicOp::OR; else if (t == "||") logic = LogicOp::OR;
// one pass redirection parsing
else if (!t.compare(0, 1, "<")) filenames[STDIN_] = t.substr(1);
else if (!t.compare(0, 1, ">")) filenames[STDOUT_] = t.substr(1);
else if (!t.compare(0, 2, "1>")) filenames[STDOUT_] = t.substr(2);
else if (!t.compare(0, 2, "2>")) filenames[STDERR_] = t.substr(2);
// two pass redirection parsing (if redirection came in 2 arguments)
else if (t == "<") in = true; else if (t == "<") in = true;
else if (t == "1>" || t == ">") out = true; else if (t == "1>" || t == ">") out = true;
else if (t == "2>") err = true; else if (t == "2>") err = true;