Unable to get output in mail body after running cron


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# 1  
Unable to get output in mail body after running cron

I have prepared script to get the file details everyday and send mail. while running bash script manually , it sends output in body . but does not send through cron.
cron sends only subject . I believe have to use some wait or sleep syntex. to complete first . please help.

Code:
#!/bin/bash
ls -altrh /syslog --time-style=+%D | grep $(date +%D)  |awk '{print $7'} >output.txt
echo -e "SYSLOG Status on Date- `date '+%A %d-%B, %Y'`">output1.txt
echo "------------------------------------------------------------------------------------------------">>output1.txt
echo -e "HostName \t\t\t Status   ">>output1.txt
echo "------------------------------------------------------------------------------------------------">>output1.txt
for hosts in `cat hosts.txt`;
do
output=$(grep -i -w  $hosts output.txt)
if [ $? == 0 ] ;
then
echo -e "$hosts \t\t Log Received">>output1.txt
else
echo -e "$hosts \t\t Log Not-Received">>output1.txt
sleep 5
fi
done
mailx -s "Syslog-Status------Date-`date '+%A %d-%B, %Y'`" abc@abc.com<output1.txt

# 2  
Have you had a look at cron logs?
What are in them?
# 3  
getting result by cron .........it does not paste the content.

Code:
From: root [mailto:root@abc.com]
Sent: den 12 februari 2020 09:56
To: abc@abc.com
Subject: Syslog-Status------Date-Wednesday 12-February, 2020

SYSLOG Status on Date- Wednesday 12-February, 2020
------------------------------------------------------------------------------------------------
HostName                         Status
------------------------------------------------------------------------------------------------

# 4  
Also, it is important to use the full paths in cron scripts (especially crontab scripts run as root, but for any user). This is true for both executables and input / output files.

Please do not use relative paths.

As vbe asked, what are the messages on this process in your log files?
# 5  
cront is running. and getting mail also. but does not output content in mail body.
# 6  
Again, it important to use the full paths in cron scripts (especially crontab scripts run as root, but for any user). This is true for both executables and input / output files.

Please do not use relative paths.

Rewrite your scripts with full path names and make sure your cron userid has permissions to write / read from those directories.
# 7  
Neo and vbe thanks for reply.

cron is running from root user. below is the syntax. and the script is giving correct output if runs manual.

Code:
*/2 * * * * /bin/sh /usr/local/scripts/syslog-check-linux.sh

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