render-assets.sh

        
            
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            #!/bin/bash
        
            
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            set -ueo pipefail
        
            
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            # Make sure that parallel is GNU parallel and not moreutils.
        
            
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            # Otherwise, it fails silently. There's no smooth way to detect this.
        
            
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            if command -v parallel >/dev/null; then
        
            
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              cmd=(parallel)
        
            
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            else
        
            
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              cmd=(xargs -n1)
        
            
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            fi
        
            
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            "${cmd[@]}" ./render-asset.sh < assets.txt
        
            
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