Q. jperl で
perl: warning: Setting locale failed.
perl: warning: Please check that your locale setting:
LC_ALL = (unset),
LANG = "ja_JP.EUC"
are supported and installed on your system.
perl: warning: Falling back to the standard locale("C").
と言われます。
A. 環境変数に PERL_BADLANG=0 を設定してください。
例:csh 系(tcsh等) setenv PERL_BADLANG 0
bsh 系(sh, bash等) export PERL_BADLANG=0