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both of these read operations work on the same stdin. you need to assign to a different fd and use that for one of them. the easiest way to do this is to ditch the useless use of cat (uuoc award...

Building on SriniShoo's code, try:
awk -F ',' '
NR == 2 { p=($3 FS $4 FS $5 FS $6 FS $7 FS $8 FS $9 FS $10); a=$0; nsp=p; gsub(/ /, "", nsp)
getline; q=($3 FS $4 FS $5 FS $6 FS $7 FS $8 FS $9...

awk -F ',' '
NR == 2 { p=($3 FS $4 FS $5 FS $6 FS $7 FS $8 FS $9 FS $10); a=$0;
getline; q=($3 FS $4 FS $5 FS $6 FS $7 FS $8 FS $9 FS $10); b=$0;
getline; r=($3 FS $4 FS $5 FS $6 FS $7 FS $8...

Should you use a recent bash with extended pattern matching, you could try:shopt -s extglob
ls !(*.wmv|*.WMV)

Use "find":

cd /path/to/sourcedir
find . ! -name "*.[wW][mM][vV]" -exec cp {} /path/to/targetdir \;

Note that you have to change into the directory first, because "find" will find ./file,...

You could use awk like this:

awk '
FS==","{ k[$4]=($4 in k? k[$4]"," : "") "/dev/dsk/" $2; next}
$2 in k {
dev=k[$2]
if (sub(",.*",x,dev)) sub(dev",",x,k[$2])
else delete k[$2]
print...

you can use "sosreport" command to generate a system report, if it fits your requirement.