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Full Discussion: Block processing using awk
Top Forums Shell Programming and Scripting Block processing using awk Post 302756789 by Jotne on Wednesday 16th of January 2013 01:46:29 PM
Old 01-16-2013
With time difference, will work pass midnight.
Code:
awk 'BEGIN {print "ID|Start_Time|End_Time|Duration"}
     /START/   {st=$2}
     /END for/ {en=$2;
     ID=$NF;
     split(st,s,":"); split(en,e,":");
     {if (e[1]<s[1]) {e[1]+=24}};
     diff=(e[1]*3600+e[2]*60+e[3])-(s[1]*3600+s[2]*60+s[3]);
     print ID"|"st"|"en"|"diff;
     st=en=ID=""}'

Result:
Code:
123|18:07:50|18:07:52|2
124|18:07:52|18:07:53|1


Last edited by Jotne; 01-16-2013 at 03:14 PM.. Reason: Cleaned code some
This User Gave Thanks to Jotne For This Post:
 

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END(7)							  PostgreSQL 9.2.7 Documentation						    END(7)

NAME
END - commit the current transaction SYNOPSIS
END [ WORK | TRANSACTION ] DESCRIPTION
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT(7). PARAMETERS
WORK, TRANSACTION Optional key words. They have no effect. NOTES
Use ROLLBACK(7) to abort a transaction. Issuing END when not inside a transaction does no harm, but it will provoke a warning message. EXAMPLES
To commit the current transaction and make all changes permanent: END; COMPATIBILITY
END is a PostgreSQL extension that provides functionality equivalent to COMMIT(7), which is specified in the SQL standard. SEE ALSO
BEGIN(7), COMMIT(7), ROLLBACK(7) PostgreSQL 9.2.7 2014-02-17 END(7)
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