mirror of
https://github.com/notwa/rc
synced 2024-09-19 09:24:07 -07:00
17 lines
532 B
Bash
Executable file
17 lines
532 B
Bash
Executable file
#!/usr/bin/env sh
|
|
# compat: +ash +bash +dash +hush +ksh +mksh +oksh +osh +posh +yash +zsh
|
|
|
|
trash() { ### @-
|
|
### output a given number of bytes from `/dev/random`.
|
|
###
|
|
### ```
|
|
### $ trash 10 | xxp
|
|
### 3A A5 4F C7 6D 89 E7 D7 F7 0C
|
|
### ```
|
|
###
|
|
### **TODO:** consider renaming because trash(1) already exists.
|
|
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
|
|
dd status=none if=/dev/random bs=1 count="${1:?missing count argument}"
|
|
}
|
|
|
|
[ -n "${preload+-}" ] || trash "$@"
|