晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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# main function bound to scl command
_scl()
{
local cur actions cur_action collections
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
actions="enable run load unload list-collections list-packages man register deregister --help"
collections=`scl list-collections`
# Complete action names
if ((COMP_CWORD == 1)); then
COMPREPLY=( $(compgen -W "${actions}" -- ${cur}) )
return 0;
fi
# If there is command or separator in arguments then stop completition
if ((COMP_CWORD > 3)); then
for word in "${COMP_WORDS[@]}"; do
if [[ ${word} == \'* || ${word} == \"* || ${word} == "--" ]] ; then
return 0
fi
done
fi
# Complete one or none action argument
if ((COMP_CWORD >= 2)); then
cur_action="${COMP_WORDS[1]}"
case "$cur_action" in
# No argument
list-collections|list-enabled|--help)
return 0
;;
# Argument is collection name
list-packages|man)
if ((COMP_CWORD == 2)); then
COMPREPLY=( $(compgen -W "$collections" -- ${cur}) )
fi
return 0
;;
# Argument is collection name or "-f" or "--force"
deregister)
if ((COMP_CWORD == 2)); then
COMPREPLY=( $(compgen -W "$collections --force -f" -- ${cur}))
fi
if [ "$COMP_CWORD" -eq 3 -a "(" "${COMP_WORDS[2]}" == "--force" -o "${COMP_WORDS[2]}" == "-f" ")" ]; then
COMPREPLY=( $(compgen -W "$collections" -- ${cur}))
fi
return 0
;;
# Argument is directory
register)
compopt -o plusdirs
if ((COMP_CWORD == 2)); then
COMPREPLY=( $(compgen -A directory -- ${cur}) )
fi
return 0
;;
# Arguments are collections or "-x" or "--exec"
run|enable)
if ((COMP_CWORD == 2)); then
COMPREPLY=( $(compgen -W "$collections -x --exec" -- ${cur}) )
else
COMPREPLY=( $(compgen -W "$collections" -- ${cur}) )
fi
return 0
;;
# Arguments are collections
load|unload)
COMPREPLY=( $(compgen -W "$collections" -- ${cur}) )
return 0
;;
*)
;;
esac
fi
}
# bind the scl command to the _scl function for completion
complete -F _scl scl