{"componentChunkName":"component---src-templates-post-template-jsx","path":"/hisoty/posts/2022-04-29--001","result":{"data":{"site":{"siteMetadata":{"title":"Blog by Eunyoung","subtitle":"작업 기록 블로그","copyright":"© All rights reserved.","author":{"name":"EunYoung","twitter":"#"},"disqusShortname":"","url":"https://ssongey.github.io"}},"markdownRemark":{"id":"d33052dc-debf-55d5-8cd1-4eda2c0625ee","html":"<p>/dev/null 에 전송된 데이터는 버려지므로 출력이 불필요한 경우는 /dev/null에 출력을 지정하는게 좋다.</p>\n<div class=\"gatsby-highlight\" data-language=\"shell\"><pre class=\"language-shell\"><code class=\"language-shell\"><span class=\"token comment\"># 표준 출력만 무시</span>\n$ script.sh <span class=\"token operator\"><span class=\"token file-descriptor important\">1</span>></span> /dev/null\n\n<span class=\"token comment\"># 표준 오류 출력만 무시</span>\n$ script.sh <span class=\"token operator\"><span class=\"token file-descriptor important\">2</span>></span> /dev/null\n\n<span class=\"token comment\"># 표준 출력, 오류 모두 무시</span>\n$ script.sh <span class=\"token operator\">></span> /dev/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2</span>></span><span class=\"token file-descriptor important\">&amp;1</span>\n\n<span class=\"token comment\"># 표준 출력, 오류 각각 다른 파일로 저장</span>\n$ script.sh <span class=\"token operator\"><span class=\"token file-descriptor important\">2</span>></span> fail.log <span class=\"token operator\"><span class=\"token file-descriptor important\">1</span>></span> success.log</code></pre></div>\n<p><span class=\"title__sub3\">■ 파일 설명자</span></p>\n<ul>\n<li>0 : 표준 입력</li>\n<li>1 : 표준 출력</li>\n<li>2 : 표준 오류 출력</li>\n</ul>","fields":{"tagSlugs":["/tags/shell/"],"slug":"/hisoty/posts/2022-04-29--001"},"frontmatter":{"title":"[Shell] /dev/null로 출력 버리기","tags":["shell"],"date":"2022-04-29","description":""}}},"pageContext":{"slug":"/hisoty/posts/2022-04-29--001"}},"staticQueryHashes":[]}