perl -le'$^=~s#.#$_=$'\'';print s/.|$//g#ge' #### perl -le'$^=~s/.$/!print@+/e while$^' #### perl -le'$_=$^;s||s/.$/!print length/e|ge'
## perl -le'$^=~s/.$/!print@+/e while$^' ##
## perl -le'$_=$^;s||s/.$/!print length/e|ge'