in reply to Skipping parameters in sprintf %, elegantly
In sprintf you can specify for each command the position in the list from which the value must be taken. I think this is a feature present from v.5.8, not sure...
In your example you can do:
printf "file=%2\$s line=%3\$s param=%4\$d\n",caller(),$param;to skip the first parameter.
Rule One: "Do not act incautiously when confronting a little bald wrinkly smiling man."
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