check written data

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1. Shell Programming and Scripting

To check if a file is open and in use (logs are being written to it)

Hello Experts, I need to write a shell script to check if a file is open and something is being written to it. I want to know how OS handles it. I checked with lsof command but it is not working. For a test I did this. while true; do echo `date` >>abc.txt; done then I checked lsof |...

2. Shell Programming and Scripting

Check for data between two files

I have two files File1.txt 000199458 000199463 000200442 000200831 000200866 000201009 000201050 000201405 000201666 000201682 File2.txt

3. Shell Programming and Scripting

Check data in mysql

Hi, I just would like to write a perl script , this perl script do the following . Check the parameter $data in a mysql database ( with user ID and password ) , if the $data is exist then return true , if not then return false , would advise how to write this script ? thanks ---------- Post...

4. Shell Programming and Scripting

data integrity check needed

Hi friends I need copied 100gd of data to other Solaris server. Could anyone help me guiding appropriate way of checking data integrity at source and destination so can I delete the data at source location . How can print/check cksum of individual file in each folder and match it with...

5. UNIX for Dummies Questions & Answers

No process to read data written to a pipe on AIX

We use SAP application cluster on AIX. Communication between 2 of its instances is failing randomly with the following error: java.net.SocketException: There is no process to read data written to a pipe. The above error causes a cluster restart if an important communication fails. Can...

6. AIX

Tape drive problem - no process to read data written to a pipe

Hi Everyone, The machine I'm working on is an AIX 5.3 LPAR running on a P650. oslevel -r shows 5300-08. I'm trying to take a backup to a SCSI tape drive, which has been working up until this point. I know of nothing that has changed recently to cause this problem. But when I try to take a...

7. Shell Programming and Scripting

Check data and time

I am attempting to figure out how to do a time check within my script. For some reason I can not seem to get this to work correctly. I want the script to first see if it is Saturday. If it is Saturday then check to see if it's between the time 5:30am and 6:30am. If it is between 5:30am and...

8. UNIX for Dummies Questions & Answers

restrict data from getting written to Logs

$SYBASE/bin/isql -U $DB_USERID -S $DB_SERVER << ! >> $OUTFILE `echo $DB_PASSWD` use $db go Print " The processing" go ! # Extract data to file echo $DB_PASSWD | $SYBASE/bin/bcp $WRK_DB..open out $CONV_DIR/open".csv -t\, -c -U $DB_USERID -S $DB_SERVER -b 1000 | tail -3 I am able to...

9. UNIX for Advanced & Expert Users

AIX 5.3 - There is no process to read data written to a pipe

I have the following code which works on AIX 4.3 but fails at times on AIX 5.3 with: cat: 0652-054 cannot write to output. There is no process to read data written to a pipe. validator="${validator_exe} ${validator_parms}" cmd_line="${CAT} ${data_file} | ${validator}...

10. UNIX for Dummies Questions & Answers

Error : "No data written to object that was write locked"

Hi All, I was able to solve my previous problem (link directory)... but now i have this following problem. I have mounted a disk from other machine using "mount -F nfs" command. When i run a batch which generates some files in that drive.... after a certain number of files i get...

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