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August 29, 2017 17:16
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Check reactivity of different interpeters, i.e. speed of startup
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| #!/usr/bin/env bash | |
| LANG=en_US.UTF-8 | |
| __CMD=( "python" | |
| "ruby" | |
| "perl" | |
| "lua5.3" | |
| "tclsh" | |
| "bash" | |
| ) | |
| __V=( "-V" # Python | |
| "-v" # Ruby | |
| "-v | awk 'FNR==2 {print}'" # Perl | |
| "-v" # Lua | |
| "printf 'puts [info patchlevel];exit 0' | " # Tcl | |
| "--version | awk 'FNR==1 {print}'" # Bash | |
| ) | |
| _pretty_banner() { | |
| local _str="${1// /\$}" | |
| local _sym=$2 | |
| local _num=$3 | |
| local _v | |
| local _italic | |
| local _bold | |
| local _normal | |
| _italic=$(tput sitm) | |
| _bold=$(tput bold) | |
| _normal=$(tput sgr0) | |
| _v=$(printf "%-${_num}s${_italic}${_bold}%s${_normal}%-${_num}s" "$_sym" "$_str" "$_sym") | |
| _v="${_v// /$_sym}" | |
| printf "%s\n" "${_v//\$/ }" | |
| } | |
| _pretty_out() { | |
| local _filler="~" | |
| local _banner_len=22 | |
| local _test_str=" test" | |
| (( _len_str = ${#1} + ${#_test_str} )) | |
| if (( _len_str % 2 == 0 )); then | |
| _pretty_banner "${1}${_test_str}" $_filler $(( _banner_len / 2 - _len_str / 2 )) | |
| else | |
| _pretty_banner "${1} ${_test_str}" $_filler $(( _banner_len / 2 - (_len_str / 2 + 1) )) | |
| fi | |
| } | |
| _get_max_len() { | |
| local _max=0 | |
| for __str in $1; do | |
| if (( ${#__str} > _max )); then | |
| _max=${#__str} | |
| fi | |
| done | |
| } | |
| _get_lang_name() { | |
| if [[ $1 == "lua5.3" ]]; then | |
| printf "lua" | |
| else | |
| printf "%s" "$1" | |
| fi | |
| } | |
| _print_version() { | |
| local _version_str="" | |
| local _max_len | |
| local _lang | |
| _lang=$(_get_lang_name "$1") | |
| _max_len=$(_get_max_len @__CMD) | |
| if [[ $_lang =~ (perl|bash) ]]; then | |
| _version_str=$(eval "$1 $2") | |
| elif [[ $_lang == "tclsh" ]]; then | |
| _version_str=$(eval "$2 $1") | |
| else | |
| _version_str=$($1 "$2") | |
| fi | |
| printf "\e[1m%${_max_len}s\e[0m version: %s\n" "$_lang" "$_version_str" | |
| } | |
| _main() { | |
| tabs -4 | |
| _pretty_banner "" "\"" 22 | |
| printf "%s How do I test %s\n" "-----" "-----" | |
| printf "\n\ttime for _ in {1..1000}; do\n\t\t<interpreter__CMD> - <<< exit\n\tdone\n\n" | |
| _pretty_banner "" "\"" 22 | |
| for ((i=0; i<${#__CMD[@]}; ++i)); do | |
| _pretty_out "$(_get_lang_name "${__CMD[i]}")" | |
| _print_version "${__CMD[i]}" "${__V[i]}" | |
| # shellcheck disable=2167 | |
| for _ in {1..2}; do | |
| printf "\e[4mTest #%s\e[0m:\t" "$_" | |
| if [[ ${__CMD[i]} == "lua5.3" ]]; then | |
| ( | |
| # shellcheck disable=2165 | |
| time for _ in {1..1000}; do | |
| ${__CMD[i]} 2> /dev/null - <<< exit | |
| done | |
| ) 2>&1 | awk 'FNR==2 {print}' | |
| else | |
| ( | |
| # shellcheck disable=2165 | |
| time for _ in {1..1000}; do | |
| ${__CMD[i]} - <<< exit | |
| done | |
| ) 2>&1 | awk 'FNR==2 {print}' | |
| fi | |
| done | |
| printf "\n" | |
| done | |
| tabs -8 | |
| } | |
| _main "$@" |
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Result on my working desktop