{"id":74,"date":"2017-02-16T11:20:06","date_gmt":"2017-02-16T08:20:06","guid":{"rendered":"http:\/\/sanana.kiev.ua\/?p=74"},"modified":"2017-02-16T11:24:02","modified_gmt":"2017-02-16T08:24:02","slug":"%d0%b1%d0%b5%d0%b7%d0%be%d0%bf%d0%b0%d1%81%d0%bd%d0%be%d1%81%d1%82%d1%8c-eval","status":"publish","type":"post","link":"https:\/\/sanana.kiev.ua\/index.php\/archives\/74","title":{"rendered":"\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c eval"},"content":{"rendered":"

\u0438 \u0435\u0449\u0435 \u0440\u0430\u0437 \u043a \u0432\u043e\u043f\u0440\u043e\u0441\u0443 \u043e \u043f\u043e\u043b\u044c\u0437\u0435 \u0447\u0442\u0435\u043d\u0438\u044f man-\u043e\u0432<\/p>\n

eval<\/code> \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043a\u0440\u0430\u0439\u043d\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0439 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0435\u0439, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445. \u0434\u0435\u0441\u043a\u0430\u0442\u044c, \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u044c ; \u0438 \u043b\u0435\u043f\u0438 \u0441\u0435\u0431\u0435 \u0434\u0430\u043b\u044c\u0448\u0435 \u043f\u0430\u0442\u0447\u0438 \u0431\u0430\u0440\u043c\u0438\u043d\u0430, \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u0443\u0448\u0435 \u0443\u0433\u043e\u0434\u043d\u043e.<\/p>\n

\u043e\u043d\u043e \u0442\u043e \u0442\u0430\u043a, \u043d\u043e \u0435\u0441\u0442\u044c \u0432 bash<\/strong> \u043e\u0434\u043d\u0430 \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u0438\u044f\u0442\u043d\u0430\u044f \u0448\u0442\u0443\u043a\u0430 \u0434\u043b\u044f \u0431\u043e\u0440\u044c\u0431\u044b \u0441 \u044d\u0442\u0438\u043c \u0437\u043b\u043e\u043c – \u0440\u0430\u0441\u0448\u0438\u0440\u0438\u0442\u0435\u043b\u044c @<\/strong>. \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432\u0441\u044f\u043a\u0443\u044e \u043a\u0430\u043a\u0443 \u0431\u0435\u0437 \u043e\u0441\u043e\u0431\u044b\u0445 \u0438\u0437\u0432\u0440\u0430\u0442\u043e\u0432 \u0441 echo\/sed\/perl\/whatever<\/p>\n

<\/p>\n

\u0438\u0442\u0430\u043a, \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440\u0447\u0438\u043a<\/p>\n

(victor@ksakep)~ $> cat t.sh\r\n#! \/bin\/bash\r\n\r\nstr=\"test ; echo test2\"\r\n\r\neval echo $str\r\neval echo ${str@Q}\r\n(victor@ksakep)~ $> .\/t.sh\r\ntest\r\ntest2\r\ntest ; echo test2\r\n(victor@ksakep)~ $>\r\n<\/pre>\n
\u0432 \u043f\u0435\u0440\u0432\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 echo<\/code> \u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0447\u043a\u0438 \u0441 \u0437\u0430\u043f\u044f\u0442\u043e\u0439 \u043e\u0442\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0430\u0441\u044c \u043a\u0430\u043a \u0435\u0449\u0435 \u043e\u0434\u043d\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430, \u0442.\u0435. \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u0430
\n\u0432\u043e \u0432\u0442\u043e\u0440\u043e\u043c – \u0441\u0442\u0440\u043e\u043a\u0430 \u0431\u044b\u043b\u0430 \u0432\u044b\u0432\u0435\u0434\u0435\u043d\u0430 \u043a\u0430\u043a \u0437\u0430\u0434\u0443\u043c\u044b\u0432\u0430\u043b\u043e\u0441\u044c \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e.<\/p>\n
\u043d\u0443 \u0430 \u0437\u0430 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0440\u0430\u0441\u0448\u0438\u0440\u0438\u0442\u0435\u043b\u044f @<\/strong> – \u0432 man bash<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
\u0438 \u0435\u0449\u0435 \u0440\u0430\u0437 \u043a \u0432\u043e\u043f\u0440\u043e\u0441\u0443 \u043e \u043f\u043e\u043b\u044c\u0437\u0435 \u0447\u0442\u0435\u043d\u0438\u044f man-\u043e\u0432 eval \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043a\u0440\u0430\u0439\u043d\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0439 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0435\u0439, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445. \u0434\u0435\u0441\u043a\u0430\u0442\u044c, \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u044c ; \u0438 \u043b\u0435\u043f\u0438 \u0441\u0435\u0431\u0435 \u0434\u0430\u043b\u044c\u0448\u0435 \u043f\u0430\u0442\u0447\u0438 \u0431\u0430\u0440\u043c\u0438\u043d\u0430, \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u0443\u0448\u0435 \u0443\u0433\u043e\u0434\u043d\u043e. \u043e\u043d\u043e \u0442\u043e \u0442\u0430\u043a, \u043d\u043e \u0435\u0441\u0442\u044c \u0432 bash \u043e\u0434\u043d\u0430 \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u0438\u044f\u0442\u043d\u0430\u044f \u0448\u0442\u0443\u043a\u0430 \u0434\u043b\u044f \u0431\u043e\u0440\u044c\u0431\u044b \u0441 \u044d\u0442\u0438\u043c \u0437\u043b\u043e\u043c – \u0440\u0430\u0441\u0448\u0438\u0440\u0438\u0442\u0435\u043b\u044c @. \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432\u0441\u044f\u043a\u0443\u044e \u043a\u0430\u043a\u0443 \u0431\u0435\u0437 \u043e\u0441\u043e\u0431\u044b\u0445 … \u041f\u0440\u043e\u0434\u043e\u0432\u0436\u0438\u0442\u0438 \u0447\u0438\u0442\u0430\u043d\u043d\u044f “\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c eval”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[9],"class_list":["post-74","post","type-post","status-publish","format-standard","hentry","category-tipstricks","tag-bash"],"_links":{"self":[{"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":5,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":79,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions\/79"}],"wp:attachment":[{"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanana.kiev.ua\/index.php\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}