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i'm still learning too, thx for the tip, don't need to be rude though.

try putting the command in an executable file and alias the command as running the file?

Here try this:
cat file.txt|wc -l| awk '{$1=$1-1;system("head -"$1" file.txt")}'| awk '{printf("%c%s%c\n",39,$1,39)}'; tail -1 file.txt | awk '{printf("%c%s%c);",39,$1,39)}'

ls -1R|grep :$|sed 's/:$//g'| awk '{print $1"/*"}'|xargs cat > bigfile


ls -1R #recursively searches all files in all subdirectories

grep :$ #will show all lines which end in :, this is a list...

ya i keep forgeting you don't get output from awk '{system("cat"w/e)}' i edited my post

hmm... lemme give it a shot:
you can combine the files like this

ls -1R|grep :$|sed 's/:$//g'| awk '{print $1"/*"}'|xargs cat > bigfile

edit:
changed output method

as for removing, i'd...

did you try putting in the full path for the file?

not sure how your timestamp is formatted but you can:

grep -n timestamp file| head -1 | awk '{FS=":"; system("more +"$1" file|cat")}'

edit:
hmm i tried this on a test file, it's definately...

If you only want to change the value if it's an invalid date on the spots you listed:

awk '{FS=OFS=","} $5=="0"{$5=""} $8=="0"{$8=""} $9=="0"{$9=""} $19=="0"{$19=""} $20=="0"{$20=""}...

not sure why, you should also be able to cat the file first to make sure it displays:

cat file.html |grep href | sed -e 's/<[^>]*>//g' -e 's/[0-9]*_/ /g' -e 's/[0-9]..*\] //' -e 's/\(.*\)\..*/\1/'...

more +n file|head -1

Try:
sed 's/<[^>]*>//g' file.html

edit:
This should work
grep href webfile.html|sed -e 's/<[^>]*>//g' -e 's/[0-9]*_/ /g' -e 's/[0-9]..*\] //' -e 's/\(.*\)\..*/\1/'