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I'm trying to implement real time scanning on cPanel server.

When I use the following script,

#!/bin/bash
#Maximum file size to scan in bytes that's set to 10MB
MAXSIZE=10485760
if [ "$UPLOAD_SIZE" -le "$MAXSIZE" ]; then
/usr/bin/clamdscan --remove --quiet --no-summary "$1"
fi

Output shows,

line 4: [: : integer expression expected
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    Bash has ((...)) for arithmetics. Use if ((upload_size < maxsize)); then ...; fi Also don't use UPPERCASE for normal variable names. Commented Jul 14, 2017 at 10:13

1 Answer 1

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Looks to me like your $UPLOAD_SIZE is unset (or empty or non-numeric), that's why you get an error. What you probably want is declaring it before comparing if it is lesser than something, which you haven't done.

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