mirror of
https://github.com/notwa/rc
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23 lines
542 B
Bash
Executable file
23 lines
542 B
Bash
Executable file
#!/usr/bin/env zsh
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# YES_ZSH
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# YES_BASH
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# YES_DASH
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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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arith() { ### @-
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### perform arithmetic using the shell and display the result.
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### see also [`hex`](#hex) and [`bin`](#bin).
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### this example requires zsh:
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###
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### ```
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### % db=6
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### % noglob arith 10**(db/20.)
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### 1.9952623149688795
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### ```
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# <<<"$(($@))"
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printf "%s\n" "$(($@))"
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}
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[ "${SOURCING:-0}" -gt 0 ] || arith "$@"
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