{"id":71,"date":"2024-12-06T10:55:25","date_gmt":"2024-12-06T10:55:25","guid":{"rendered":"https:\/\/alpeshconnect.in\/blog\/?p=71"},"modified":"2024-12-06T10:55:25","modified_gmt":"2024-12-06T10:55:25","slug":"commands-using-grep-or-sed-utility","status":"publish","type":"post","link":"https:\/\/alpeshconnect.in\/blog\/2024\/12\/06\/commands-using-grep-or-sed-utility\/","title":{"rendered":"Commands using grep or sed utility"},"content":{"rendered":"\n

commands using grep or sed utility<\/strong><\/p>\n\n\n\n

write grep command for display lines of file F1 that begins with “The”<\/p>\n\n\n\n

grep ‘^The’ F1<\/p>\n\n\n\n

count total number of blank lines of file F1<\/p>\n\n\n\n

grep -c ‘^$’ F1<\/p>\n\n\n\n

display the lines of file F1 that do not contain “Unix”<\/p>\n\n\n\n

grep -v ‘Unix’ F1<\/p>\n\n\n\n

replace all occurrences of ‘unix’ with ‘linux’ of file F1<\/p>\n\n\n\n

sed ‘s\/unix\/linux\/g’ F1<\/p>\n\n\n\n

sed -i ‘s\/unix\/linux\/g’ F1<\/p>\n\n\n\n

replace all occurrences of ‘unix’ with ‘linux’ of file F1<\/p>\n\n\n\n

sed ‘s\/unix\/linux\/g’ F1<\/p>\n\n\n\n

display the lines of file F1 that contain “VB.net” and \/ or “Asp.net”<\/p>\n\n\n\n

grep -E ‘VB\\.net|Asp\\.net’ F1<\/p>\n\n\n\n

grep -e ‘VB\\.net’ -e ‘Asp\\.net’ F1<\/p>\n\n\n\n

display lines of file F1 which have exactly 4-characters.<\/p>\n\n\n\n

grep -x ‘.\\{4\\}’ F1<\/p>\n\n\n\n

do not display line number 3 to 5 of file F1<\/p>\n\n\n\n

sed ‘3,5d’ F1<\/p>\n\n\n\n

insert blank line after each line of the file F1<\/p>\n\n\n\n

sed ‘G’ F1<\/p>\n","protected":false},"excerpt":{"rendered":"

commands using grep or sed utility write grep command for display lines of file F1 that begins with “The” grep ‘^The’ F1 count total number of blank lines of file F1 grep -c ‘^$’ F1 display the lines of file F1 that do not contain “Unix” grep -v ‘Unix’ F1 replace all occurrences of ‘unix’ […]<\/p>\n","protected":false},"author":1,"featured_media":43,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,14],"tags":[17,18,16,15],"class_list":["post-71","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bca","category-unix-shell-programming","tag-grep-example","tag-sed-example","tag-shell-script","tag-unix-shell-programming"],"_links":{"self":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/71","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/comments?post=71"}],"version-history":[{"count":1,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/71\/revisions"}],"predecessor-version":[{"id":72,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/posts\/71\/revisions\/72"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/media\/43"}],"wp:attachment":[{"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/media?parent=71"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/categories?post=71"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alpeshconnect.in\/blog\/wp-json\/wp\/v2\/tags?post=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}