String ls(String args[], boolean relative) {
if (args.length < 2)
throw new IllegalArgumentException(
"the ${ls} macro must at least have a directory as parameter");
File dir = domain.getFile(args[1]);
if (!dir.isAbsolute())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter is not absolute: " + dir);
if (!dir.exists())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter does not exist: " + dir);
if (!dir.isDirectory())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter points to a file instead of a directory: " + dir);
Collection<File> files = new ArrayList<File>(new SortedList<File>(dir.listFiles()));
for (int i = 2; i < args.length; i++) {
Instructions filters = new Instructions(args[i]);
files = filters.select(files, true);
}
List<String> result = new ArrayList<String>();
for (File file : files) result.add(relative ? file.getName() : file.getAbsolutePath());
return Processor.join(result, ",");
}
/**
* Get the contents of a file.
*
* @param in
* @return
* @throws IOException
*/
public String _cat(String args[]) throws IOException {
verifyCommand(args, "${cat;<in>}, get the content of a file", null, 2, 2);
File f = domain.getFile(args[1]);
if (f.isFile()) {
return IO.collect(f);
} else if (f.isDirectory()) {
return Arrays.toString(f.list());
} else {
try {
URL url = new URL(args[1]);
return IO.collect(url, "UTF-8");
} catch (MalformedURLException mfue) {
// Ignore here
}
return null;
}
}
public String _basename(String args[]) {
if (args.length < 2) {
domain.warning("Need at least one file name for ${basename;...}");
return null;
}
String del = "";
StringBuilder sb = new StringBuilder();
for (int i = 1; i < args.length; i++) {
File f = domain.getFile(args[i]);
if (f.exists() && f.getParentFile().exists()) {
sb.append(del);
sb.append(f.getName());
del = ",";
}
}
return sb.toString();
}
public String _osfile(String args[]) {
verifyCommand(args, _fileHelp, null, 3, 3);
File base = new File(args[1]);
File f = Processor.getFile(base, args[2]);
return f.getAbsolutePath();
}