Makefiles

Please download these 7 text files. Their names are not significant.

• '!/! /&&NR>3'
• '^ ?[0-9]+ ([^ ]+$|.+[A-Z])'
• -t3
• -v .
• -w22
• -bsw14
• -22
• -c -t ascii -f ascii
• -w2 -s' ' -bp'[[:upper:]][^[:cntrl:]]*$'
• -d' '
• -e's/[^a-z][^[:alnum:]]\{1,2\}//g' -e's/ $//'
• -n
• -23
• '. ' ' \n'
• -a
• -c

# wc -l *.out

Note: One of these boxes has two solutions. Choose the one that leads to a plausible answer.