Answer Posted / gaurav shah.ait

tput clear

echo -e "Enter String :- \c"
read str
len=`expr $str|wc -m `
len=`expr $len - 1`
len1=`expr $len `
echo -e "Reverse String :- \c"
while [ $len -ne 0 ]
do
s1=` expr $str|cut -c$len `
echo -e "$s1\c "
len=` expr $len - 1 `
done
len=`expr $str|wc -m `
len=`expr $len - 1`
echo ""
n=1
flag=0
while [ $len -ne 0 ]
do
fst=` expr $str|cut -c$n `
lst=` expr $str|cut -c$len `
len=` expr $len - 1 `
n=` expr $n + 1`

if test $fst != $lst
then
flag=1
fi
done
if test $flag = 1
then
echo "Given String Is Not Palindrome"
else
echo "Given String Is Palindrome"
fi

I want to create a directory such that anyone in the group can create a file and access any person's file in it but none should be able to delete a file other than the one created by himself.

979

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1069

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How does shell scripting work?

1066

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on “sed” command EmpData(Sample Database) 1122|j.b. saxena |g.m. |account |12/12/52|6000 2233|n.k. gupta |d.g.m |sales |31/12/40|9000 4545|anil agarwal |director |account |06/07/47|7500 5656|lalit choudhury |executive|marketing|07/09/50|5000 1265|chanchal singhvi|g.m. |admin |12/09/63|6000 0110|shyam saksena |chairman |marketing|12/12/43|8000 5566|jai sharma |director |account |23/12/89|7000 7733|jayant |d.g.m |sales |29/02/70|6000 1. From the above database substitute the delimiter of first 3 lines with “ : “ 2. From the above database substitute the delimiter with “ : ” 3. Insert the string “ XYZ Employees” in the first line. 4. Store the lines pertaining to the directors, d.g.m and g.m into three separate files. 5. Using address store first 4 lines into a file Empupdate. 6. Find the pattern “account” in the database and replaces that with “accounts”. 7. Select those lines which do not have a pattern “g.m”. 8. Insert a blank line after every line in the database.

3057

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1024

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wats the deinitions for shell utility and filter?

2267

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What is the fastest scripting language?

950

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How to replace following lines, catch (DAOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } catch (BOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw e; } catch (Exception e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } Needs to be changed in to, catch (DAOException e) { AppException.handleException (null, null, e, null, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); } catch (BOException e) { AppException.handleException (null, null, null, e, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 0); } catch (Exception e) { AppException.handleException (null, null, null, null, null, e, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); }

2329

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889

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Using set -A write a script to print the output of the ls command in 5 columns with two spaces between each column. Pretend that ls does not have multicolumn output.

2618

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930

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