{"id":7770,"date":"2016-06-03T18:45:39","date_gmt":"2016-06-03T10:45:39","guid":{"rendered":"http:\/\/jpuyy.com\/?p=7770"},"modified":"2016-06-03T18:45:39","modified_gmt":"2016-06-03T10:45:39","slug":"bash-minus","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=7770","title":{"rendered":"bash\u4e2d\u51cf\u6cd5\u8ba1\u7b97"},"content":{"rendered":"<p>\u505a\u51cf\u6cd5<\/p>\n<pre>\r\nbc <<< \"$new-$old\"\r\necho \"$new-$old\" | bc\r\n<\/pre>\n<pre>\r\necho \"$new $old\" | awk '{print $1-$2}'\r\nawk '{print $1-$2}' <<< \"$new $old\"\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u505a\u51cf\u6cd5 bc<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-7770","post","type-post","status-publish","format-standard","hentry","category-life"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7770"}],"version-history":[{"count":1,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7770\/revisions"}],"predecessor-version":[{"id":7771,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7770\/revisions\/7771"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}