system("ssh -o StrictHostKeyChecking=no root\@localhost /usr/bin/perl -p -i -e s/$hash2/$hash1/ee ha
+shfile")

##</code><code>##

system("ssh -o StrictHostKeyChecking=no root\@localhost /usr/bin/perl -p -i -e 's/\Q$hash2\E/\Q$hash1\E/' ha
+shfile")