{"id":789,"date":"2019-05-29T06:38:12","date_gmt":"2019-05-29T03:38:12","guid":{"rendered":"https:\/\/skilx.cc\/unlix\/?p=789"},"modified":"2019-05-29T06:39:15","modified_gmt":"2019-05-29T03:39:15","slug":"%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%bd%d1%8b%d0%b5-%d0%b2-bash","status":"publish","type":"post","link":"https:\/\/skilx.cc\/unlix\/%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%bd%d1%8b%d0%b5-%d0%b2-bash\/","title":{"rendered":"\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432 BASH"},"content":{"rendered":"<p>\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0432 \u044f\u0437\u044b\u043a\u0435 shell &#8212; \u044d\u0442\u043e \u043c\u0430\u043a\u0440\u043e\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432 \u0441\u0442\u0440\u043e\u043a\u0443 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u0435\u0440\u0435\u0434 \u0435\u0451 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c.<!--more--><\/p>\n<p>\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 ${VAR} \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u043e\u0439, \u0445\u0440\u0430\u043d\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0441 \u0438\u043c\u0435\u043d\u0435\u043c VAR. \u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0431\u0438\u0442\u043e \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u043b\u043e\u0432\u0430 \u043f\u043e \u043f\u0440\u043e\u0431\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0438\u043c\u0432\u043e\u043b\u0430\u043c. \u0415\u0441\u043b\u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0434\u043e\u043b\u0436\u043d\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043e\u0434\u043d\u043e \u0441\u043b\u043e\u0432\u043e, \u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u0430\u0434\u043e \u0432\u0437\u044f\u0442\u044c \u0432 \u043a\u0430\u0432\u044b\u0447\u043a\u0438 &#171;${VAR}&#187;<\/p>\n<p>\u0418\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 `bash` \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c \u0442\u0440\u0438 \u0442\u0438\u043f\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445, \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0449\u0438\u0445\u0441\u044f \u043e\u0431\u043b\u0430\u0441\u0442\u044c\u044e \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u0438:<\/p>\n<p>A=BCD # \u041b\u043e\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f, \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430\u044f \u0438\u0437 \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u043a\u0440\u0438\u043f\u0442\u0430<br \/>\nA=BCD cmd # \u0418\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0439 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b cmd \u043d\u0435 \u0432\u043b\u0438\u044f\u044e\u0449\u0438\u0439 \u043d\u0430 \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0441\u043a\u0440\u0438\u043f\u0442<br \/>\nexport A=BCD # \u0413\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f, \u0432\u0438\u0434\u0438\u043c\u0430\u044f \u0432 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0441\u043a\u0440\u0438\u043f\u0442\u0435 \u0438 \u0432 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u0445<\/p>\n<p>\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432 bash \u043d\u0435 \u0438\u043c\u0435\u044e\u0442 \u0442\u0438\u043f\u0430. \u041c\u043e\u0436\u043d\u043e \u0441\u0447\u0438\u0442\u0430\u0442\u044c, \u0447\u0442\u043e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443. \u0415\u0441\u043b\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0446\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043a\u0430\u043a \u0447\u0438\u0441\u043b\u0430, \u0442\u043e \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0440\u0430\u0437\u0431\u043e\u0440 \u0441\u0442\u0440\u043e\u043a\u0438 \u0441\u043b\u0435\u0432\u0430. \u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0442 \u0446\u0438\u0444\u0440\u044b \u0434\u043e \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043d\u0435 \u0447\u0438\u0441\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u0430. \u0421\u0442\u0440\u043e\u043a\u0430 \u043d\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0430\u044f \u0446\u0438\u0444\u0440 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a 0.<\/p>\n<p>set \u2013 \u0432\u044b\u0434\u0430\u0435\u0442 \u0441\u043f\u0438\u0441\u043e\u043a \u0432\u0441\u0435\u0445 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0441 \u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438<\/p>\n<p>VAR=&#187;string&#187; &#8212; \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u0443\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 \u0438 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u0435\u0442 \u0435\u0439 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0420\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f\u043c\u0438 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441\u0438\u043c\u0432\u043e\u043b = \u043f\u043e\u0441\u043b\u0435 \u0438\u043c\u0435\u043d\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0438 \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u0440\u043e\u0431\u0435\u043b \u043f\u043e\u0441\u043b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u041f\u0440\u043e\u0431\u0435\u043b\u044b \u0432\u043e\u043a\u0440\u0443\u0433 \u0437\u043d\u0430\u043a\u0430 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 \u043d\u0435\u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u044b. \u041f\u0440\u043e\u0431\u0435\u043b \u0441\u043b\u0435\u0432\u0430 \u043e\u0442 \u0437\u043d\u0430\u043a\u0430 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0447\u0430\u0441\u0442\u044c \u0438\u043c\u0435\u043d\u0438, \u043f\u0440\u043e\u0431\u0435\u043b \u0441\u043f\u0440\u0430\u0432\u0430 \u2013 \u043a\u0430\u043a \u043f\u0443\u0441\u0442\u0430\u044f \u043f\u0440\u0438\u0441\u0432\u0430\u0435\u0432\u0430\u0435\u043c\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430. \u0415\u0441\u043b\u0438 \u0441\u0442\u0440\u043e\u043a\u0430 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043f\u0440\u043e\u0431\u0435\u043b\u044b, \u0442\u043e \u043e\u043d\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u0431\u044b\u0442\u044c \u0437\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u0432 \u043a\u0430\u0432\u044b\u0447\u043a\u0438.<br \/>\n$VAR \u2013 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 VAR. \u041f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438\u043c\u0435\u043d\u0435\u043c \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0441\u0447\u0438\u0442\u0430\u0435\u0442\u0441\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438\u0437 \u0431\u0443\u043a\u0432, \u0446\u0438\u0444\u0440 \u0438 \u0437\u043d\u0430\u043a\u043e\u0432 \u043f\u043e\u0434\u0447\u0435\u0440\u043a\u0438\u0432\u0430\u043d\u0438\u044f.<br \/>\n${VAR} &#8212; \u0442\u043e \u0436\u0435 \u0447\u0442\u043e \u0438 $VAR \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043d\u0435\u043e\u0434\u043d\u043e\u0437\u043d\u0430\u0447\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 \u0441\u0442\u0440\u043e\u043a\u0438<\/p>\n<p>export VAR \u0434\u0435\u043b\u0430\u0435\u0442 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0439 \u0434\u043b\u044f \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 (\u0434\u0435\u043b\u0430\u0435\u0442 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u043e\u0439)<br \/>\nexport VAR=string \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e\u0435 \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439<br \/>\nunset VAR \u0443\u043d\u0438\u0447\u0442\u043e\u0436\u0430\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439<\/p>\n<p>\u041f\u0440\u0438\u043c\u0435\u0440 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439:<br \/>\nWORKDIR=\/usr\/src\/linux<br \/>\necho $WORKDIR #\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439<br \/>\nbash #\u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043b\u0438 \u043d\u043e\u0432\u0443\u044e \u043a\u043e\u043f\u0438\u044e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430<br \/>\necho $WORKDIR #\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430<br \/>\nexit # \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b\u0438 \u043a\u043e\u043f\u0438\u044e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430<br \/>\necho $WORKDIR #\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0441\u043d\u043e\u0432\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430<br \/>\nexport WORKDIR<br \/>\nbash<br \/>\necho $WORKDIR #\u043f\u043e\u0441\u043b\u0435 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u043c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u043c<\/p>\n<p>\u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c\u0438<\/p>\n<p>${VAR-default} &#8212; \u0435\u0441\u043b\u0438 VAR \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430, \u0442\u043e \u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043d\u0430\u0447\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 default<br \/>\n${VAR=default} &#8212; \u0435\u0441\u043b\u0438 VAR \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430, \u0442\u043e \u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043d\u0430\u0447\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 default \u0438 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u043d\u0438\u0435 \u0435\u0433\u043e VAR<br \/>\n${VAR?err_msg} &#8212; \u0435\u0441\u043b\u0438 VAR \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430, \u0442\u043e \u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043d\u0430\u0447\u0435 \u043f\u0435\u0447\u0430\u0442\u044c err_msg<br \/>\n\u041f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432\u044b\u0432\u043e\u0434\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u044b whoami \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e:<br \/>\necho ${username-`whoami`}<\/p>\n<p>${#VAR} &#8212; \u0434\u043b\u0438\u043d\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0432 \u0441\u0438\u043c\u0432\u043e\u043b\u0430\u0445<br \/>\n${#array[*]} \u0438\u043b\u0438 ${#array[@]} &#8212; \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 (\u041c\u0430\u0441\u0441\u0438\u0432\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 bash &gt; 2)<br \/>\n${#*} \u0438\u043b\u0438 ${#@} \u0447\u0438\u0441\u043b\u043e \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u0441\u043a\u0440\u0438\u043f\u0442\u0430<\/p>\n<p>${VAR:pos} &#8212; \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430 \u0441 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 pos<br \/>\n${VAR:pos:len} &#8212; \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430 \u0441 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 pos \u0434\u043b\u0438\u043d\u043d\u043e\u0439 length<\/p>\n<p>\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u0445 Pattern \u044d\u0442\u043e \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 glob &#8212; * &#8212; \u043b\u044e\u0431\u0430\u044f \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432, ? &#8212; \u043e\u0434\u0438\u043d \u0441\u0438\u043c\u0432\u043e\u043b.<\/p>\n<p>${VAR\/Pattern\/Replacement} &#8212; \u0437\u0430\u043c\u0435\u043d\u0430 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0432\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f Pattern \u043d\u0430 Replacement, \u0435\u0441\u043b\u0438 Replacement \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442, \u0442\u043e Pattern \u0443\u0434\u0430\u043b\u044f\u0435\u0442\u0441\u044f<br \/>\n${VAR\/\/Pattern\/Replacement} &#8212; \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0430\u044f \u0437\u0430\u043c\u0435\u043d\u0430<br \/>\n$(VAR#Pattern} &#8212; \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 Pattern \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 (\u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u0444\u0438\u043a\u0441\u0430)<br \/>\n$(VAR##Pattern} &#8212; \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 Pattern \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438<br \/>\n$(VAR%Pattern} &#8212; \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 Pattern \u0432 \u043a\u043e\u043d\u0446\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 (\u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441\u0443\u0444\u0444\u0438\u043a\u0441\u0430)<br \/>\n$(VAR%%Pattern} &#8212; \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 Pattern \u0432 \u043a\u043e\u043d\u0446\u0435 \u0441\u0442\u0440\u043e\u043a\u0438<\/p>\n<p>\u041f\u0440\u0438\u043c\u0435\u0440:<\/p>\n<p>VAR=&#187;file.test.txt&#187;<br \/>\necho ${VAR#file*.} =&gt; test.txt<br \/>\necho ${VAR##file*.} =&gt; txt<br \/>\necho ${VAR%.*} =&gt; file.test<br \/>\necho ${VAR%%.*} =&gt; file<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0432 \u044f\u0437\u044b\u043a\u0435 shell &#8212; \u044d\u0442\u043e \u043c\u0430\u043a\u0440\u043e\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432 \u0441\u0442\u0440\u043e\u043a\u0443 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u0435\u0440\u0435\u0434 \u0435\u0451 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[918,16,17,251,586,22,20,308,19,15,917],"tags":[280,940],"class_list":["post-789","post","type-post","status-publish","format-standard","hentry","category-bash-sh","category-centos-red-hat","category-debian","category-esx-esxi","category-freebsd","category-kali-linux","category-opensuse","category-proxmox","category-ubuntu","category-15","category-917","tag-bash","tag-940"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0432 \u044f\u0437\u044b\u043a\u0435 shell - \u044d\u0442\u043e \u043c\u0430\u043a\u0440\u043e\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432 \u0441\u0442\u0440\u043e\u043a\u0443 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u0435\u0440\u0435\u0434 \u0435\u0451 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 ${VAR} \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u043e\u0439, \u0445\u0440\u0430\u043d\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0441 \u0438\u043c\u0435\u043d\u0435\u043c VAR. \u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0431\u0438\u0442\u043e \u043d\u0430 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content=\"bash,\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435,bash \/ sh,centos \/ red hat,debian,esx \/ esxi,freebsd,kali linux,opensuse,proxmox,ubuntu,\u0432\u0441\u0435 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u044b,\u044f\u0437\u044b\u043a\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/skilx.cc\/unlix\/%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b5%d0%bd%d0%bd%d1%8b%d0%b5-%d0%b2-bash\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"ru_RU\" \/>\n\t\t<meta property=\"og:site_name\" content=\"UNLIX - \u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u043e UNIX \u0438 LINUX \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432 BASH | UNLIX\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0432 \u044f\u0437\u044b\u043a\u0435 shell - \u044d\u0442\u043e \u043c\u0430\u043a\u0440\u043e\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432 \u0441\u0442\u0440\u043e\u043a\u0443 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u0435\u0440\u0435\u0434 \u0435\u0451 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 ${VAR} \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u043e\u0439, \u0445\u0440\u0430\u043d\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0441 \u0438\u043c\u0435\u043d\u0435\u043c VAR. \u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0437\u0431\u0438\u0442\u043e \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u043b\u043e\u0432\u0430 \u043f\u043e \u043f\u0440\u043e\u0431\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0438\u043c\u0432\u043e\u043b\u0430\u043c. \u0415\u0441\u043b\u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0434\u043e\u043b\u0436\u043d\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043e\u0434\u043d\u043e \u0441\u043b\u043e\u0432\u043e, \u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 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