ls *.done | while read line ; do mv $line $(basename $line .done) ; done

(while read line; do if [ $(echo $line | wc -c) -eq 1 ] ; then echo; else echo -n $line,; fi ; done<address.txt ) |sort >address.csv

no, that's not it. a for loop splits on spaces, so if you have a file of name "foo bar", your code will first assign x to "foo", and then assign it to "bar" in the next iteration, but none of these...

that might not work well on filenames with spaces

anyway, why can't you just do something like this?
rm -i *.psd

umm... have you used vi before? if not, there are other editors like emacs and nano etc. that might be simpler to learn

anyway, vi has two modes, the command mode and insert mode. it starts in the...

f