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The documentation for nzsql states that to shell-out you just have to use blackslash pling, followed by the command: \! command If you need to know how to test for file size in a shell script, you can use something similar to: if [[ -f $file ]] && [[ -s $file ]]; then echo "File exists and is greater than 0 bytes" ; rm -f $file fi -f ...



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