On Tue, Sep 01, 2009 at 06:03:19PM +0000, Paul Schmehl wrote: > I found a sed tutorial once that did this, but I can't seem to find it > again.
You're probably thinking of "Useful One-Line Scripts for Sed": http://sed.sourceforge.net/sed1line.txt A good follow-up: http://www.osnews.com/story/21004/Awk_and_Sed_One-Liners_Explained > I have a file with multiple lines, each of which contains a single ip > followed by a /32 and a comma. I want to combine all those lines into > a single line by removing all the newline characters at the end of > each line. > > What's the best/most efficient way of doing that in a shell? A sed solution would be sed -e :a -e '$!N; s/\n/ /; ta' my_file Other (easier to remember) solutions could include: tr -d '\n' < my_file tr '\n' ' ' < my_file echo $(cat my_file) # not so useless use of cat! paste -s my_file while read line; do joined="$joined $(echo $line)" done < my_file echo $joined Lots of options, of course. Even more with Perl. -- George _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"