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ruby vs shell
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| puts "2.10.3".split(".")[0..1].join(".") |
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| if [[ -n "${ZSH_VERSION:-}" ]] | |
| then __array_start=1 | |
| else __array_start=0 | |
| fi | |
| __rvm_take_n() | |
| { | |
| typeset IFS __temp_counter | |
| typeset -a __temp_arr1 __temp_arr2 | |
| IFS=$3 | |
| if [[ -n "${ZSH_VERSION:-}" ]] | |
| then eval "__temp_arr1=( \${=$1} )" | |
| else eval "__temp_arr1=( \$$1 )" | |
| fi | |
| __temp_counter=0 | |
| __temp_arr2=() | |
| while (( __temp_counter < $2 )) | |
| do __temp_arr2+=( "${__temp_arr1[__array_start+__temp_counter++]}" ) | |
| done | |
| eval "$1=\"\${__temp_arr2[*]}\"" | |
| } | |
| var1=2.10.3 | |
| __rvm_take_n var1 2 . | |
| echo $var1 |
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