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curlコマンドでデータを送るときに、ファイルに保存されたデータを使う

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概要

curlコマンドでHTTPリクエストのボディにデータを入れるときに、コマンドラインで指定するだけでなく、ファイルから読み込んだデータを使うことができる。

やり方

データを送る一般的なやり方。

$ curl -d "{ \"key\": \"value\"}" -H "Content-Type: application/json" http://example.com

ファイルから読み込む。

$ curl -d @your_file.json -H "Content-Type: application/json" http://example.com

標準入力から読み込むこともできる。

$ curl -d @- -H "Content-Type: application/json" http://example.com
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