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Shell Programming and Scripting
How to check whether a variable is empty or contains some value?
Post 302828277 by radoulov on Tuesday 2nd of July 2013 07:14:18 AM
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Hi Masters.....
I have problem !!!
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if ; then
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else
echo "Not empty"
fi
so how to check this condition.
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How to check the variable is empty or not?
aaa=" "
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I am reading from a file and executing the jobs with/without parameters as the job requires.
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if
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Hi,
I am simply trying to check if the variable is empty in the code below but it isn;t working. Anything that I might have missed here
#Check if values in job card are not empty
title=`cat $filename | grep "TITLE:" | cut -d ":" -f3`
if ]
then
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LEARN ABOUT DEBIAN
rra-decode
synce-partnership(1) http://synce.sourceforge.net/ synce-partnership(1) NAME
rra-appointment-from-vevent, rra-appointment-to-vevent, rra-contact-from-vcard, rra-contact-to-vcard, rra-decode, rra-delete, rra-get-data, rra-get-ids, rra-get-recurring-appointments, rra-get-types, rra-put-data, rra-subscribe, rra-task-from-vtodo, rra-task-to-vtodo, rra-time- zone - Tools for manipulating the WinCE Database SYNOPSIS
rra-appointment-from-vevent [-d LEVEL] [-c CODEPAGE] [-u] [-t TZFILE] VEVENT_FILE APPOINTMENT_FILE rra-appointment-to-vevent [-d LEVEL] [-c CODEPAGE] [-u] [-t TZFILE] APPOINTMENT_FILE [VEVENT_FILE] rra-contact-from-vcard [-d LEVEL] [-c CODEPAGE] [-u] VCARD_FILE CONTACT_FILE rra-contact-to-vcard [-d LEVEL] [-c CODEPAGE] [-u] CONTACT_FILE [VCARD_FILE] rra-decode FILE rra-delete [-d LEVEL] TYPE-ID OBJECT-ID ... rra-get-data [-d LEVEL] TYPE-ID OBJECT-ID FILENAME rra-get-ids [-d LEVEL] TYPE-ID ... rra-get-recurring-appointments rra-get-types [-d LEVEL] rra-put-data TYPE-ID OBJECT-ID FLAGS FILENAME rra-subscribe [-d LEVEL] [TYPE-ID] [TYPE-ID] ... rra-task-from-vtodo [-d LEVEL] [-c CODEPAGE] [-u] [-t TZFILE] VTODO_FILE TASK_FILE rra-task-to-vtodo [-d LEVEL] [-c CODEPAGE] [-u] [-t TZFILE] TASK_FILE [VTODO_FILE] rra-timezone [-d LEVEL] [-h] [-i INPUT-FILE] [-o OUTPUT-FILE] [-b] [-r] [-v] DESCRIPTION
This small tools could be used to manipulate the database of a WinCE device. AUTHOR
This manual page was written by Jonathan McDowell <noodles@earth.li> SEE ALSO
synce(1) The SynCE project September 2003 synce-partnership(1)