lang

path

/etc/sysconfig/i18n

EUC

export LANG="ja_JP.eucJP"
export SUPPORTED="ja_JP.eucJP:ja_JP:ja"

UTF-8

export LANG="ja_JP.UTF-8"
export SUPPORTED="ja_JP.UTF-8:ja_JP:ja"

SJIS

export LANG="ja_JP.SJIS"
export SUPPORTED="ja_JP.SJIS:ja_JP:ja"

nkf

# to utf8

nkf -w hoge.txt