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Thanks but, actually, this problem happened once. primarily, i want to ask that a verify option for gzip-gunzip ?

Hi all,
i have a gzipped file. <file_name>.gz . when i try gunzip this file i get,
invalid compressed data--format violated

this file gzipped like gzip -f -S <file_name> 2 >...

i dont mean oracle failures... i can cath oracle failures. i mean failures,
for instance, oracle is shutdown while sqlplus is runnig...

thanks for ur reply. i have a ksh script.. in this script, i have codes like below..

sqlplus - username/passwd .......

if [ echo $? ="0" ]
success
else
failed

i want to catch error, ...

hi,
exit status variable $?, returns some digits.

0 ---> succes.
1..126
Failure (the program itself will decide what the numbers mean)
127
Command not found
128..254
The program did not...