mirror of
https://github.com/notwa/rc
synced 2024-05-18 09:53:22 -07:00
22 lines
737 B
Bash
Executable File
22 lines
737 B
Bash
Executable File
#!/usr/bin/env zsh
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# YES_ZSH YES_BASH YES_DASH YES_ASH
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# though technically compatible with other shells,
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# extra functionality is through zsh's extended arithmetic functions.
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bin() { ### @-
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### perform arithmetic using the shell and display the result as
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### an unsigned 8-bit integer in binary.
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### see also [`arith`](#arith) and [`hex`](#hex).
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###
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### ```
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### $ bin 123
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### 01111011
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### ```
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local a="$(($@))"
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a="$(( (((((((((((((a + 0x0FFFFF80) & 0x1000007F) + 0x00FFFFC0) & 0x1100003F) + 0x000FFFE0) & 0x1110001F) + 0x0000FFF0) & 0x1111000F) + 0x00000FF8) & 0x11111007) + 0x000000FC) & 0x11111103) + 0x0000000E) & 0x11111111 ))"
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printf "%08X\n" "$a"
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}
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[ -n "${preload+-}" ] || bin "$@"
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