Shell Programming and Scripting

cat var/tmp/usr1/pools
FC5173
FI5178
BE5221
FE5229
ST1604

ls /usr01/archive/PSta*.Z
/usr01/archive/PStat.dat.021711.001609.Z
/usr01/archive/PStat.dat.021811.001608.Z
/usr01/archive/PStat.dat.021911.001608.Z
/usr01/archive/PStat.dat.022311.001608.Z
/usr01/archive/PStat.dat.022411.001608.Z
/usr01/archive/PStat.dat.022511.001608.Z
/usr01/archive/PStat.dat.022611.001608.Z
/usr01/archive/PStat.dat.022811.190155.Z

#!/usr/bin/sh
fl='/usr01/archive/'
for i in `cat /var/tmp/usr1/pools`
do
for j in `ls ${fl}/*.Z | tr -s ' '| cut -d" " -f9 | cut -d\/ -f7`
do
count=`zcat $fl/$j | grep "$i" | wc -l` 
if [ $count -eq 1 ] ; then
echo ${j} | grep "PSta*" >> /var/tmp/usr1/fcount
fi
done
done

if grep pattern file > /dev/null
then
        echo 'Found'
else
        echo 'not found'
fi

for FILE in /usr01/archive/PStat*.Z
do
        # Pipe the decompressed file into grep.  Use a pattern file (-f var/tmp/usr1/pools),
        # match fixed strings instead of regexes (-F), and stop on the
        # first match(-m 1) so scanning the entire file isn't always necessary.
        if zcat "$FILE" | grep -m 1 -F -f var/tmp/usr1/pools > /dev/null
        then
                # Print the filename if a match is found.  All goes into /tmp/$$
                echo "$FILE"
        fi
done > /tmp/$$


# "echo a b c | xargs ls" is equivalent to "ls a b c".
#
# List all the files in /tmp/$$, sort by time (-t), take only the most
# recent( | head -n 1)
xargs ls -t < /tmp/$$ | head -n 1
# delete the temp file
rm -f /tmp/$$

for FILE in /usr01/archive/PStat*.Z
do
        # Pipe the decompressed file into grep.  Use a pattern file (-f var/tmp/usr1/pools),
        # match fixed strings instead of regexes (-F), and stop on the
        # first match(-m 1) so scanning the entire file isn't always necessary.
        if zcat "$FILE" | grep -m 1 -F -f var/tmp/usr1/pools > /dev/null
        then
                # Print the filename if a match is found.  All goes into xargs
                echo "$FILE"
        fi
done | xargs ls -t | head -n 1

grep: illegal option -- m
Usage: grep -hblcnsviw pattern file . . .

for FILE in /usr01/archive/PStat*.Z
do
        zcat "$FILE" > /tmp/$$

        while read STR
        do
                if grep -l "$STR" "/tmp/$$" > /dev/null
                then
                        echo "$FILE"
                        break
                fi
        done < var/tmp/usr1/pools
done | xargs ls -t | head -n 1

rm -f /tmp/$$