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v=$(date --date "-1 hour" +"-vY=%-y -vT=%-m -vD=%-d -vH=%-H -vM=%-M")

This builds a string with current time - 1 hour eg:
-vY=13 -vT=8 -vD=12 -vH=23 -vM=4

This is used as a command line...

With this input file:

****************Start Display Current Environment **********
Host OPerating Syatem is linux, version
Java version
[8/6/13 15:10:30:000 EDT] log message
[8/8/13...

Change last line to /^[[]/&&v' infile to avoid non-date lines following the first match.

I don't know why you are matching dates older than 1 hour, could you post the first line that matches...

Yes, tested with the format posted, some awk versions require a space between -F and parameter try (notice additional space here):

v=$(date --date "-1 hour" +"-vY=%-y -vT=%-m -vD=%-d -vH=%-H...

You could try this, assuming your date command supports --date :

v=$(date --date "-1 hour" +"-vY=%-y -vT=%-m -vD=%-d -vH=%-H -vM=%-M")
awk -F'[[ /:]' $v '
$4>Y ||
$4==Y&&$2>T ||
...

The first problem with your code is you used single quotes: everything within single quotes is treated as is, not evaluated. This will probably work, but only find the entries with the current...

Does your date function support the --date=STRING option?

e.g.

$ date --date="date -d "2/5/12 10:50:12.148 EDT"
Sun, Feb 05, 2012 10:50:12 AM

This may need some tweak to work for you
# Getting the data for last hour
data_1h=$(awk '$0>=from && $0<=to' from="$(date +"["%D" "%H:%M%S -d -1hour)" to="$(date +"["%D" "%H:%M%S )" logfile)
#...

We need the format of the log - a sample will be good.

Contradicting requirements.

And surprising that cp -R didn't work.
cp -R directory1/sub1 directory2/lib

Like this? This one-liner will find all files recursively under folder1/ and copy them into folder2/ without creating sub-folders.
find ./folder1/ -type f -exec cp {} ./folder2/ \;

If you have tar that supports -T option you could:

cd directory1
sed -e 's:^.*/::' -e 's/ .*//' /path/to/readme.txt | while read file
do
find ./ -name $file -print
done | tar -T - -cf - |...

Sorry missed \; on end of find statement:

sed -e 's:^.*/::' -e 's/ .*//' readme.txt | while read file
do
find directory1 -name $file -exec cp {} directory2/ \;
done

sed -e 's:^.*/::' -e 's/ .*//' readme.txt | while read file
do
find directory1 -name $file -exec cp {} directory2/
done

You could try this:

set -- $(awk 'NR<3 { sub(".*/","",$1); print $1 }' names.txt)

$1 is file1 $2 is file2

Use Parameter Substitution (http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.baseadmn/doc/baseadmndita/korn_shell_parmsub1.htm) in Korn shell or POSIX shell:...