{"id":16624,"date":"2017-02-09T18:53:12","date_gmt":"2017-02-09T18:53:12","guid":{"rendered":"http:\/\/www.beautifulwork.org\/?p=16624"},"modified":"2017-02-09T18:53:12","modified_gmt":"2017-02-09T18:53:12","slug":"gnu-bash-exit-codes-with-special-meanings","status":"publish","type":"post","link":"https:\/\/www.trueangle.org\/index.php\/2017\/02\/09\/gnu-bash-exit-codes-with-special-meanings\/","title":{"rendered":"GNU bash exit codes with special meanings"},"content":{"rendered":"<pre>\n$printenv &gt; \/dev\/null \n$echo $?\n0\n$printenv \/dev\/null \n$echo $?\n1\n$\/dev\/null\nbash: \/dev\/null: Permission denied\n$echo $?\n126\n$nocommand\nbash: nocommand: command not found...\n\n$\n$echo $?\n127\n$\n\nhttp:\/\/www.tldp.org\/LDP\/abs\/html\/exitcodes.html\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>$printenv &gt; \/dev\/null $echo $? 0 $printenv \/dev\/null $echo $? 1 $\/dev\/null bash: \/dev\/null: Permission denied $echo $? 126 $nocommand bash: nocommand: command not found&#8230; $ $echo $? 127 $ http:\/\/www.tldp.org\/LDP\/abs\/html\/exitcodes.html<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[741],"_links":{"self":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/16624"}],"collection":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/comments?post=16624"}],"version-history":[{"count":0,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/16624\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/media?parent=16624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/categories?post=16624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/tags?post=16624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}