{"id":148,"date":"2025-10-09T22:33:19","date_gmt":"2025-10-09T20:33:19","guid":{"rendered":"http:\/\/doublepanic.com\/?p=148"},"modified":"2025-10-09T22:37:41","modified_gmt":"2025-10-09T20:37:41","slug":"extraer-permisos-de-un-fichero-en-formato-numerico","status":"publish","type":"post","link":"https:\/\/doublepanic.com\/?p=148","title":{"rendered":"Extraer permisos de un fichero en formato num\u00e9rico"},"content":{"rendered":"<p><em>ls<\/em> no tiene ning\u00fan par\u00e1metro para ello, y a veces en necesario tener los permisos en formato num\u00e9rico (7777) en lugar de texto (Xrwxrwxrwx)<\/p>\n<blockquote>\n<p style=\"padding-left: 30px;\"><code><br \/>\n#!\/bin\/bash<br \/>\n# Usage: $0 [linea de salida de ls -l]<br \/>\nPERMS=`ls -l $1 | awk '{print $1}'`<br \/>\nPERMX=`echo -n -${PERMS:1:3}-${PERMS:4:3}-${PERMS:7:3}`<br \/>\nfor i in `seq 0 11`; do<br \/>\nif [ \"${PERMX:$i:1}\" != \"-\" ]; then<br \/>\nlet \"PERMN=$PERMN+2**(11-$i)\"<br \/>\nfi<br \/>\ndone<br \/>\nprintf \"%x\" $PERMN<br \/>\n<\/code>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>ls no tiene ning\u00fan par\u00e1metro para ello, y a veces en necesario tener los permisos en formato num\u00e9rico (7777) en lugar de texto (Xrwxrwxrwx)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/posts\/148"}],"collection":[{"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/doublepanic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=148"}],"version-history":[{"count":6,"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions"}],"predecessor-version":[{"id":1216,"href":"https:\/\/doublepanic.com\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions\/1216"}],"wp:attachment":[{"href":"https:\/\/doublepanic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doublepanic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doublepanic.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}