Method processFsCommand

src/org/apache/pig/tools/grunt/GruntParser.java:1160–1187

(String[] cmdTokens)

    }

    @Override
    protected void processFsCommand(String[] cmdTokens) throws IOException {
        filter.validate(PigCommandFilter.Command.FS);
        for (int i = 0 ; i < cmdTokens.length ; i++) {
            cmdTokens[i] = parameterSubstitutionInGrunt(cmdTokens[i]);
        }
        if(mExplain == null) { // process only if not in "explain" mode

            executeBatch();

            int retCode = -1;

            try {
                retCode = shell.run(cmdTokens);
            } catch (Exception e) {
                throw new IOException(e);
            }

            if (retCode != 0 && !mInteractive) {
                String s = LoadFunc.join(
                        (AbstractList<String>) Arrays.asList(cmdTokens), " ");
                throw new IOException("fs command '" + s
                        + "' failed. Please check output logs for details");
            }
        } else {
            log.warn("'fs' statement is ignored while processing 'explain -script' or '-check'");
        }
    }

    @Override
    protected void processShCommand(String[] cmdTokens) throws IOException {