[Trisquel-users] Re : Syntax problems with nested loops

[lcerf]

Indeed, ‘tr’ translates, squeezes, and/or delete *characters*.  sed's s  
command substitutes strings.  To substitute a sequence of literal "\n" or  
"\t" with one single tabulation (is this what you want?):
$ sed 's/\\[nt]\(\\[nt]\)*/\t/g'