Ternary ifelse ( ?: ) in different languages
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- AWK
- Perl /PHP
$result = ($a > $b) ? $x : $y;
$result = ($a > $b) ?? $x !! $y;
- R
| ifelse(a>0,a,0) | Ternary operator (if?true:false) |
- bash/linux
ternary operator
? : is just short form of if/elsecase "$b" in 5) a=$c ;; *) a=$d ;; esac
Or
[[ $b = 5 ]] && a="$c" || a="$d"
Reference:
http://en.wikipedia.org/wiki/Ternary_operation
http://en.wikipedia.org/wiki/%3F:
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