{"id":2203,"date":"2017-12-08T04:41:27","date_gmt":"2017-12-08T04:41:27","guid":{"rendered":"http:\/\/www.scmgalaxy.com\/tutorials\/?p=2203"},"modified":"2020-01-09T09:45:37","modified_gmt":"2020-01-09T09:45:37","slug":"frequently-used-shell-script","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/frequently-used-shell-script\/","title":{"rendered":"Frequently Used Shell Script"},"content":{"rendered":"<p><strong>rajeshkumar created the topic: Frequently Used Shell Script<\/strong><br \/>\nShell scripts to convert file names to lower case and upper case<br \/>\nTo convert to lower case:<\/p>\n<p><code>#!\/bin\/sh<br \/>\nfor i in *<br \/>\ndo<br \/>\nj=`echo $i | tr '[A-Z]' '[a-z]'`<br \/>\nmv $i $j<br \/>\ndone<\/code><\/p>\n<p>To convert to upper case:<\/p>\n<p><code>#!\/bin\/sh<br \/>\nfor i in *<br \/>\ndo<br \/>\nj=`echo $i | tr '[a-z]' '[A-Z]'`<br \/>\nmv $i $j<br \/>\ndone<\/code><\/p>\n<p>Searching for a String in Multiple Files<\/p>\n<p><code>grep -r \"modules\" .<br \/>\ngrep -lr \"modules\" .<br \/>\ngrep -lr \"mod.*\" .<br \/>\ngrep -r \"drupal\\|joomla\\|wordpress\" .<br \/>\ngrep -lr \"mod.*\" .\/log*<\/code><\/p>\n<p>Filesystems using more than 90% capacity<\/p>\n<p><code>df -hP | awk '{x=$5;sub (\"%\",\"\",x)}x>90'<br \/>\ndf -h | awk '{if(NF==1){x=$0;getline;if(int($4)>90)print x,$0}else if(int($5)>90) print}'<br \/>\ndf -kh | awk '\/\\\/export\/ && int($5) >= 90'<\/code><\/p>\n<p>Filesystems using more than 90% capacity remotly<\/p>\n<p><code>ssh -q rajesh 'df -hP' | awk '{x=$5;sub (\"%\",\"\",x)}x> 30'<br \/>\nssh -q rajesh 'df -h' | awk '{if(NF==1){x=$0;getline;if(int($4)>60)print x,$0}else if(int($5)>60) print}'<\/code><\/p>\n<p>Regards,<br \/>\nRajesh Kumar<br \/>\nTwitt me @ <a href=\"http:\/\/twitter.com\/RajeshKumarIn\" target=\"_blank\" rel=\"noopener\">twitter.com\/RajeshKumarIn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>rajeshkumar created the topic: Frequently Used Shell Script Shell scripts to convert file names to lower case and upper case To convert to lower case: #!\/bin\/sh for i in *&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[454],"tags":[278],"class_list":["post-2203","post","type-post","status-publish","format-standard","hentry","category-shell-script","tag-script"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=2203"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2203\/revisions"}],"predecessor-version":[{"id":2204,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2203\/revisions\/2204"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=2203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=2203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=2203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}