X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;f=study-note.org;h=d9543abb92529ce9ed93d8c1b59e30a6e0360543;hb=166668ed684ff7f2f9e1ddbcf83a8edcf7c06e44;hp=61823e75f8e5062ac32305a7bc2e3cc99f907c1e;hpb=2d6be42dad6be7123612f5d46a85c00bcefb1dab;p=dotfiles.git

diff --git a/study-note.org b/study-note.org
index 61823e7..d9543ab 100644
--- a/study-note.org
+++ b/study-note.org
@@ -89,6 +89,10 @@ Or
 : ==4: cc: 3
 : ==5: dd: 4
 
+*** Special Variable
+See special variable in perl [[http://perldoc.perl.org/perlvar.html][perlvar]], or =perldoc perlvar=
+- =$.= Current line number
+
 ** gnuplog
 
 1. normal