We will see the usage of grep command in different cases. The command can be used in different ways based on the need to search a string or substring in a file or in multiple files in a folder.<\/p>\n\n\n\n
The grep<\/strong> command stands for “global regular expression print”<\/p>\n\n\n\n General format<\/strong><\/p>\n\n\n\n To see the full syntax and various options, try “grep –help<\/strong>“<\/p>\n\n\n\n To search the string in a single file, <\/p>\n\n\n\n grep file1.txt -e ‘techieshouts’<\/strong><\/p>\n\n\n\n To search the full word and not the substring,<\/p>\n\n\n\n grep -w file1.txt -e ‘techieshouts’<\/strong><\/p>\n\n\n\n To search the full word by ignoring case sensitiveness,<\/p>\n\n\n\n grep -wi file1.txt -e ‘techieshouts’<\/strong><\/p>\n\n\n\n To search all the files recursively in the directory for the same word,<\/p>\n\n\n\n grep -wir \/directory -e ‘techieshouts’<\/strong><\/p>\n\n\n\n To search and get the line number of the word in all the files<\/p>\n\n\n\n grep -wirn \/directory -e ‘techieshouts’<\/strong><\/p>\n\n\n\n To search and get only the file names that contain the word<\/p>\n\n\n\n grep -wirl \/directory -e ‘techieshouts’<\/strong><\/p>\n\n\n\n\n\n Also, check “Export Teradata table to file using BTEQ<\/a>“<\/p>\n","protected":false},"excerpt":{"rendered":" We will see the usage of grep command in different cases. The command can be used in different ways based on the need to search a string or substring in a file or in multiple files in a folder. The grep command stands for “global regular expression print” General format To see the full syntax\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,16],"tags":[29,27,28],"_links":{"self":[{"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/posts\/36"}],"collection":[{"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/comments?post=36"}],"version-history":[{"count":17,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/posts\/36\/revisions"}],"predecessor-version":[{"id":581,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/posts\/36\/revisions\/581"}],"wp:attachment":[{"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/media?parent=36"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/categories?post=36"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techieshouts.com\/home\/wp-json\/wp\/v2\/tags?post=36"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}grep [-options] [directory\/single file] [pattern\/-e] [string to search]<\/pre>\n\n\n\n