I need to log results from a file to the screen.
cat logfile.txt
=====================Installing Oracle========================
*** ERROR[Install023] Oracle is already installed in $VOL1.
Alert: There might be an issue, Please check!
=============================================
=====================File Set verification========================
Filesystem State 512-blocks Used Avail Capacity Mounted on
HOME STARTED 143372688 119516872 23855816 83% /home
BIN STOPPED - - - - /nfsT/nfsdata/common
ROOT STARTED 143372688 119516872 23855816 83% /
TEMP STARTED 143372688 118402344 24970344 83% /tmp
The Filset for home directory looks Ok.
The Filset for root directory looks Ok.
=============================================
I am doing:
perl -0777 -nle 'print $2 "\n" while m/^(={21})([\w\s]+)(+={24})/gm' logfile.txt
But it is not giving any result.
The out put needs to be.
Installing Oracle..... Alert
File Set verification.....Ok!
It's not clear what all the possible reasons for an alert could be, but the following works for your sample:
perl -ne 'undef $err, print "$1 ..." if /^={21}([^=]+)={24}/;
$err = 1 if /ERROR/;
print $err ? "Alert" : "Ok!", "\n" if /={45}/'
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