sed doesn't edit in situ. Try
$ cat add_dot.txt sex.com blahblah.com weak.com sed 's/^/./gw u.out' add_dot.txt | mv u.out add_dot.txt $ cat add_dot.txt .sex.com .blahblah.com .weak.com On Wed, Jul 15, 2009 at 10:28 AM, Kelsey Hartigan Go < [email protected]> wrote: > You can use ex, or even vi > %s/^/\./g > :wq > > > On 7/15/09, eric pareja <[email protected]> wrote: > > hi david, > > > > the more "traditional" way would have been to use sed as follows: > > > > sed -i.bak s/^/./g porndomain.cal > > > > side-effect is to generate a backup file with the .bak extension. > > > > xen > > > > On Wed, Jul 15, 2009 at 12:14 PM, david t. asuncion, > > jr.<[email protected]> wrote: > >> A total CLI newbie here. :) > >> > >> I have a file like this... > >> > >> cat porndomain.acl > >> > >> sex.com > >> blahblah.com > >> weak.com > >> .... > >> > >> What I want to happen is to add a "." on each line to look like this... > >> > >> .sex.com > >> .blahblah.com > >> .weak.com > >> > >> How can I do that with one line of command in Linux? > >> > >> -- > >> David Tacasa Asuncion, Jr. > >> website keeper, forever linux newbie, BUM extraordinaire > >> > >> Linux User # 406430 > >> http://counter.li.org/ > >> > >> GPG: 0A024BC0 > >> > >> > >> > >> _________________________________________________ > >> Philippine Linux Users' Group (PLUG) Mailing List > >> http://lists.linux.org.ph/mailman/listinfo/plug > >> Searchable Archives: http://archives.free.net.ph > >> > > > > > > > > -- > > eric pareja ([email protected]) LPIC-2 | PGP/GPG Key 0xB82E42D9 > > Coordinator for Technology / Senior Linux Trainer > > National Telehealth Center, University of the Philippines Manila > > International Open Source Network - ASEAN+3 > > "Ang mundo ay aklat, at iisang pahina lamang ang nababasa ng hindi > > naglalakbay." > > わかよたれぞ つねならむ > > _________________________________________________ > > Philippine Linux Users' Group (PLUG) Mailing List > > http://lists.linux.org.ph/mailman/listinfo/plug > > Searchable Archives: http://archives.free.net.ph > > -- > Sent from my mobile device > > Kelsey Hartigan Go > Registered Linux user #5998 > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph
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