Created
September 15, 2015 17:45
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random element
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| #!/bin/bash | |
| rand() { | |
| echo $(( $1 * RANDOM / 32768 )) | |
| } | |
| rand_element () { | |
| local -a th=("$@") | |
| echo "${th[$( rand ${#th[@]} )]}" | |
| } |
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