{"id":1720,"date":"2012-11-22T10:48:31","date_gmt":"2012-11-22T02:48:31","guid":{"rendered":"http:\/\/rmohan.com\/?p=1720"},"modified":"2012-11-22T10:48:31","modified_gmt":"2012-11-22T02:48:31","slug":"removing-blank-lines-from-a-text-file","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=1720","title":{"rendered":"Removing blank lines from a text file"},"content":{"rendered":"<p>Method 1: Using <strong>grep<\/strong><\/p>\n<pre>$ grep -v '^$' infile.txt &gt; outfile.txt<\/pre>\n<p>Method 2: Using <strong>sed<\/strong><\/p>\n<pre>$ sed '\/^$\/d' infile.txt &gt; outfile.txt<\/pre>\n<p>To remove blank lines from multiple files a script like the one below can be used<\/p>\n<pre>#!\/bin\/sh\r\nfiles=\"\/somefolder\/*.txt\"\r\nfor f in $files\r\ndo\r\n  sed '\/^$\/d' $f &gt; $f.tmp\r\n  mv  $f.tmp $f\r\ndone<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Method 1: Using grep<\/p>\n<p> $ grep -v &#8216;^$&#8217; infile.txt &gt; outfile.txt <\/p>\n<p>Method 2: Using sed<\/p>\n<p> $ sed &#8216;\/^$\/d&#8217; infile.txt &gt; outfile.txt <\/p>\n<p>To remove blank lines from multiple files a script like the one below can be used<\/p>\n<p> #!\/bin\/sh files=&#8221;\/somefolder\/*.txt&#8221; for f in $files do sed &#8216;\/^$\/d&#8217; $f &gt; $f.tmp mv $f.tmp $f done <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1720"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1720"}],"version-history":[{"count":2,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1720\/revisions"}],"predecessor-version":[{"id":1723,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1720\/revisions\/1723"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}