Shell Programming and Scripting

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09-14-2011

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hi,
i tried the code, it ended up finding the latest file for the last string "ST1604" of /var/tmp/usr1/pools, what about the other strings in the list /var/tmp/usr1/pools

kmr023

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09-14-2011

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Sorry, I wasn't clear on that -- it only found the latest file with any of those strings in it.

How about this:

Code:

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

        N=0
        while read STR
        do
                grep -l "$STR" "/tmp/$$" > /dev/null &&
                        echo "$FILE" >> /tmp/${N}.$$

                N=`expr $N + 1`
        done < var/tmp/usr1/pools
done

N=0
while read STR
do
        printf "%s:\t" $STR

        xargs ls -t < /tmp/${N}.$$ | head -n 1
        rm -f /tmp/${N}.$$
        N=`expr $N + 1`
done < var/tmp/usr1/pools

rm -f /tmp/$$

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Corona688

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09-14-2011

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Quote:

Originally Posted by kmr023

no luck, even i took off "-m 1".
i'am using solaris 8. so, any thing compatable help be greatly appreciated

Code:

/usr/xpg4/bin/grep ...

It still doesn't have the -m options but it has the -f and -F ones.

Andrew

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09-14-2011

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Quote:

Originally Posted by apmcd47

It still doesn't have the -m options but it has the -f and -F ones.

Even working properly, my original script doesn't do what he intended, meaning, the improvements possible with -f and -F aren't relevant anymore

Corona688

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09-15-2011

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Thanks Very Much, it worked this time.

---------- Post updated 09-15-11 at 01:10 PM ---------- Previous update was 09-14-11 at 05:04 PM ----------

Hi Corona688,

when i tried the script with fresh set of strings in "var/tmp/usr1/pools", i'am getting the below error

grep: RE error 41: No remembered search string.

could you please advise as to why the script is not working for other strings?

kmr023

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09-15-2011

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Without seeing the strings I'm only guessing, but the strings might contain + ? * . [ ] { } ( ) \ characters that grep would consider an expression, not literal characters. So you turn out to need -F after all (but not -f).

Code:

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

        N=0
        while read STR
        do
                /usr/xpg4/bin/grep -F -l "$STR" "/tmp/$$" > /dev/null &&
                        echo "$FILE" >> /tmp/${N}.$$

                N=`expr $N + 1`
        done < var/tmp/usr1/pools
done

N=0
while read STR
do
        printf "%s:\t" $STR

        xargs ls -t < /tmp/${N}.$$ | head -n 1
        rm -f /tmp/${N}.$$
        N=`expr $N + 1`
done < var/tmp/usr1/pools

rm -f /tmp/$$

Corona688