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Full Discussion: Need info on looping
Top Forums UNIX for Beginners Questions & Answers Need info on looping Post 302995313 by JSKOBS on Tuesday 4th of April 2017 11:03:47 AM
Old 04-04-2017
Need info on looping

My script will do:
Quote:
In infinite loop,
If file.txt has data, mail the content of it
wait for 30 minutes, repeat above step.
At the same time, keep checking if End_of_day.log is present.
If End_of_day.log present, stop infinite loop.
Code:
while true
do
	if [[ -s file.txt ]]; then
		### here im mailing content of file.txt
	fi
	
	if [[ -e End_of_day.log ]]; then
		exit 0
	fi
	
	sleep 30m
done

Quote:
In addition to mailing, Script should abend/fail, but continue the loop till End_of_day.log present
If i add exit 1 after ### mail, script is getting stopped.
Can you please suggest, how to implement above requirement. Mine is Linux machine.
 

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EXIGREP(8)						      System Manager's Manual							EXIGREP(8)

NAME
EXIGREP - Search Exim's main log SYNOPSIS
exigrep [-l] pattern [log file] ... DESCRIPTION
The exigrep utility is a Perl script that searches one or more main log files for entries that match a given pattern. When it finds a match, it extracts all the log entries for the relevant message, not just those that match the pattern. Thus, exigrep can extract complete log entries for a given message, or all mail for a given user, or for a given host, for example. The -l flag means 'literal', that is, treat all characters in the pattern as standing for themselves. Otherwise the pattern must be a Perl regular expression. The pattern match is case-insensitive. If no file names are given on the command line, the standard input is read. If the location of a zcat command is known from the definition of ZCAT_COMMAND in Local/Makefile, exigrep automatically passes any file whose name ends in COMPRESS_SUFFIX through zcat as it searches it. BUGS
This manual page needs a major re-work. If somebody knows better groff than us and has more experience in writing manual pages, any patches would be greatly appreciated. SEE ALSO
exim(8), perlre(1), /usr/share/doc/exim4-base/ AUTHOR
This manual page was stitched together from spec.txt by Andreas Metzler <ametzler at downhill.at.eu.org>, for the Debian GNU/Linux system (but may be used by others). March 26, 2003 EXIGREP(8)
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