Rのテキストファイルから空白行を削除するには？

Question

多くの行のjsonファイルを読み込む必要があります。

ファイルの中には、ファイルをRに読み込もうとするとエラーが発生する空の行があります（jsonliteを使用）。

Rを使用して空白行を削除するにはどうすればよいですか？ここ

は空白行で一部の例である：

mouse","trial_index":92,"time_elapsed":255348,"internal_node_id":"0.0-3.0-2.0-27.0","subject":"693","answer":1},{"rt":-1,"stimulus":"/study_assets/creactive/static/images/bird.jpeg","key_press":-1,"block":"two-back","condition":"target","trial_type":"single-stim-mouse","trial_index":93,"time_elapsed":257160,"internal_node_id":"0.0-3.0-2.0-28.0","subject":"693","answer":0},{"rt":407,"stimulus":"/study_assets/creactive/static/images/bird.jpeg","key_press":"mouse","block":"two-back","condition":"distractor","trial_type":"single-stim-mouse","trial_index":94,"time_elapsed":257871,"internal_node_id":"0.0-3.0-2.0-29.0","subject":"693","answer":0}] 

[{"rt":71,"key_press":"mouse","trial_type":"text","trial_index":0,"time_elapsed":74,"internal_node_id":"0.0-0.0","subject":"695"},{"rt":-1,"correct":false,"stimulus":"<DIV id=\"goNoGoFixationPoint\">+</DIV>","key_press":-1,"response":"fixation","trial_type":"categorize-mouse","trial_index":1,"time_elapsed":575,"internal_node_id":"0.0-1.0-0.0-0.0","subject":"695"} 

Answer 1

だから終わりに、私はreadLinesとNCHARでループを（使用）次のようにread.tableを `で

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