11-26-2008
combining two scripts
Hi ,
Following are the two scripts :-
Script 1)
#!/bin/sh
cp file.log file.log.1
Script 2)
#!/bin/sh
diff file.log file.log.1 > DIFFERENCE.log
cp file.log file.log.1
grep "ERROR" DIFFERENCE.log
if [ $? -eq 0 ]; then
echo "1"
else
echo "0"
fi
The first script is just to run once and afterwards we have to run the second script.The first script will make just a copy of original log file so that whenever we seek for the recent error , we can run the second script.The second script will compare the original file with the copied one and whenever the new entries will come in original file with word error , it will display it. If no error will come then it will display only 0, means no recent error came. The second script will check for the fresh logs , that is why the we need to copy the whole script at leats once in a life time
Now I want to combine these two scripts into one in such a manner that the first script runs only once in a lifetime and the other keeps on running after a fixed interval of time.
Kindly suggest how to combine these two ?
I have to recall the first script withing the second script .
Regards
Last edited by himvat; 11-26-2008 at 02:40 AM..
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TRUNCATE(1) User Commands TRUNCATE(1)
NAME
truncate - shrink or extend the size of a file to the specified size
SYNOPSIS
truncate OPTION... FILE...
DESCRIPTION
Shrink or extend the size of each FILE to the specified size
A FILE argument that does not exist is created.
If a FILE is larger than the specified size, the extra data is lost. If a FILE is shorter, it is extended and the extended part (hole)
reads as zero bytes.
Mandatory arguments to long options are mandatory for short options too.
-c, --no-create
do not create any files
-o, --io-blocks
treat SIZE as number of IO blocks instead of bytes
-r, --reference=RFILE
base size on RFILE
-s, --size=SIZE
set or adjust the file size by SIZE bytes
--help display this help and exit
--version
output version information and exit
The SIZE argument is an integer and optional unit (example: 10K is 10*1024). Units are K,M,G,T,P,E,Z,Y (powers of 1024) or KB,MB,... (pow-
ers of 1000).
SIZE may also be prefixed by one of the following modifying characters: '+' extend by, '-' reduce by, '<' at most, '>' at least, '/' round
down to multiple of, '%' round up to multiple of.
AUTHOR
Written by Padraig Brady.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report truncate translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
dd(1), truncate(2), ftruncate(2)
Full documentation at: <http://www.gnu.org/software/coreutils/truncate>
or available locally via: info '(coreutils) truncate invocation'
GNU coreutils 8.28 January 2018 TRUNCATE(1)