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Homework and Emergencies Emergency UNIX and Linux Support to find difference between two files Post 302357580 by ganesh_248 on Wednesday 30th of September 2009 07:54:06 AM
Old 09-30-2009
Data to find difference between two files

I have a file which gets appended with records daily..for eg. 1st day of the month i get 9 records ,2nd day 9 records .....till the last day in the month...the no of records may vary...i store the previous days file in a variable oldfile=PATH/previousdaysfile....i store the current days file in a variable newfile=PATH/currentdayfile. i only want the records that is present only in the current days file...

i tried comm -23 $newfile $oldfile...but i am getting error.

Please help me out.

Smilie
 

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runacct(1M)															       runacct(1M)

NAME
runacct - run daily accounting SYNOPSIS
[mmdd[state]] DESCRIPTION
runacct is the main daily accounting shell procedure. It is normally initiated via cron(1M). runacct processes connect, fee, disk, and process accounting files. It also prepares summary files for prdaily or billing purposes. runacct takes care not to damage active accounting files or summary files in the event of errors. It records its progress by writing descriptive diagnostic messages into When an error is detected, a message is written to mail (see mail(1), mailx(1), or elm(1)) is sent to and and runacct terminates. runacct uses a series of lock files to protect against re-invocation. The files and are used to prevent simultaneous invocation, and is used to prevent more than one invocation per day. runacct breaks its processing into separate, restartable states using to remember the last state completed. It accomplishes this by writ- ing the state name into runacct then looks in to see what it has done and to determine what to process next. states are executed in the following order: Move active accounting files into working files. Verify integrity of file, correcting date changes if necessary. Produce connect session records in format. Convert process accounting records into format. Merge the connect and process accounting records. Convert output of chargefee into format and merge with connect and process accounting records. Merge disk accounting records with connect, process, and fee accounting records. Merge the daily total accounting records in with the summary total accounting records in Produce command summaries. Any installation-dependent accounting programs can be included here. Cleanup temporary files and exit. To restart runacct after a failure, first check the file for diagnostics, then fix up any corrupted data files such as or The files and file must be removed before runacct can be restarted. The argument mmdd is necessary if runacct is being restarted, and specifies the month and day for which runacct will rerun the accounting. Entry point for processing is based on the contents of to override this, include the desired state on the command line to designate where processing should begin. EXAMPLES
To start runacct. To restart runacct. To restart runacct at a specific state. WARNINGS
Normally it is not a good idea to restart runacct in its state. Run manually, then restart via: If runacct failed in its state, remove the last file because it will not be complete. FILES
SEE ALSO
mail(1), acct(1M), acctcms(1M), acctcom(1M), acctcon(1M), acctmerg(1M), acctprc(1M), acctsh(1M), cron(1M), fwtmp(1M), acct(2), acct(4), utmp(4). STANDARDS CONFORMANCE
runacct(1M)
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