On Wed, 1 Oct 2008 17:13:22 +0200 David Hláčik wrote: > i want to have those lines joined to one line with spaces > Before : > > textone > texttwo > something > > After : > > textone texttwo something Just another option: paste -s -d " " filename Or, if the input comes from many single line files: paste -d " " file1 file2 ... filen ;-)