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Full Discussion: Cron job shell script..
Top Forums Shell Programming and Scripting Cron job shell script.. Post 302342120 by Irishboy24 on Friday 7th of August 2009 12:27:02 PM
Old 08-07-2009
Cron job shell script..

Hey Guys,

i was trying out a shell script which has to remove a file for every 90 mins. this is the code i came up with .


$ crontab -e file1

file1 contains

30 1 * * * * rm -r /folder1/folder2/somefile.txt

Now i need the cron to run for every 90 mins. the problem with this is since the first field only accepts 0-59 i assumed it will add up the 30min and 1 hr as 90 mins, which i now think is incorrect. any suggestions ?

thanks
arsenalboy
 

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DIFF3(1)						      General Commands Manual							  DIFF3(1)

NAME
diff3 - 3-way differential file comparison SYNOPSIS
diff3 [ -ex3 ] file1 file2 file3 DESCRIPTION
Diff3 compares three versions of a file, and publishes disagreeing ranges of text flagged with these codes: ==== all three files differ ====1 file1 is different ====2 file2 is different ====3 file3 is different The type of change suffered in converting a given range of a given file to some other is indicated in one of these ways: f : n1 a Text is to be appended after line number n1 in file f, where f = 1, 2, or 3. f : n1 , n2 c Text is to be changed in the range line n1 to line n2. If n1 = n2, the range may be abbreviated to n1. The original contents of the range follows immediately after a c indication. When the contents of two files are identical, the contents of the lower-numbered file is suppressed. Under the -e option, diff3 publishes a script for the editor ed that will incorporate into file1 all changes between file2 and file3, i.e. the changes that normally would be flagged ==== and ====3. Option -x (-3) produces a script to incorporate only changes flagged ==== (====3). The following command will apply the resulting script to `file1'. (cat script; echo '1,$p') | ed - file1 FILES
/tmp/d3????? /usr/lib/diff3 SEE ALSO
diff(1) BUGS
Text lines that consist of a single `.' will defeat -e. Files longer than 64K bytes won't work. DIFF3(1)
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