mirror of
https://github.com/notwa/rc
synced 2024-11-05 06:49:03 -08:00
17 lines
532 B
Bash
Executable file
17 lines
532 B
Bash
Executable file
#!/usr/bin/env sh
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# compat: +ash +bash +dash +hush +ksh +mksh +oksh +osh +posh +yash +zsh
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trash() { ### @-
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### output a given number of bytes from `/dev/random`.
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###
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### ```
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### $ trash 10 | xxp
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### 3A A5 4F C7 6D 89 E7 D7 F7 0C
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### ```
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###
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### **TODO:** consider renaming because trash(1) already exists.
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[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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dd status=none if=/dev/random bs=1 count="${1:?missing count argument}"
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}
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[ -n "${preload+-}" ] || trash "$@"
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