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Thanks for the reply.
Ensuring that no process is holding this file by using lsof command and after that I copied the file.

Hi Experts,

I would like to know in Linux any command which will replace a file without affecting the running process.
I tried the mv command bug the running process is not taking the new file....

mv $fname ${fname%%.*}.csv

find . -name sample* | xargs perl -pi -e 's/UPESI1/UPE10/g'

ls -lrt shows the files in sorted order.

for file in `ls`;
do
grep find $file | head -1
done

echo "abc(opp)aop" | awk -F"(" '{print $2}' | awk -F")" '{print $1}'
or
echo "abc(opp)aop" |cut -d"(" -f2 | cut -d")" -f1

ls | grep [a-z]*_[0-9][0-9][A-Z][a-z]*[0-9][0-9][0-9][0-9].[a-z]*

use the following command inside the script and check
getent passwd <username>

find . -name "*.csh" -exec grep -w "ABC - proj" {} \; -print

find ../ -name "*.csh" grep ABC {} \; -print

check any alias is set for ls.

if [ "$length" -eq 1 -a "$fun_RTYPE" = "RW" ]

ksh -x script.ksh > steps 2>&1

while [ $BGDP > 0 ]

$ missed in variable BGDP

find . -type f -exec grep -w "word" {} \; -print | grep "^./" | xargs rm -rf

Hello,

You have to pass the column variable as an argument to awk.

Regards,
Thobias

echo "1,2,3,-,5" | awk -F, '{if($4=="-") {print "dash in 4"}}'

try like this :

./tst.ksh

otherwise add set -x in the begining of the script and see the result
#!/bin/ksh
set -x
date

echo '1,2,3,-,5' | awk -F, '{if($4="-") print "dash in 4"}'

Include the following path in LD_LIBRARY_PATH variable after teh oracle 10g library path and try :
/oracle/app/oracle/product/8.1.7/lib

I think it is the solution.
B'cos there is no match between the minutes entry.

create the cron job with two lines :

15,30,45 07 * * * command.....
00,15 08 * * * command.....

find . -exec ls -l {} \; -print | awk '{printf("%ld %s %d %s \n",$5,$6,$7,$9)}'

you can use telnet. but you have to pass userid and give password.