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Use this common trick that exploits similarities between sh and Perl syntax
to avoid a hard dependency on Perl. Instead, this script will work only
when 'perl' is available in $PATH.
--- util-linux-2.21.2/misc-utils/chkdupexe.pl 2012-05-15 13:51:45.000000000 +0200
+++ util-linux-2.21.2/misc-utils/chkdupexe.pl 2014-06-01 22:46:06.000000000 +0200
@@ -1,5 +1,6 @@
-#!@PERL@ -w
-#
+eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
+ & eval 'exec perl -wS "$0" $argv:q'
+ if 0;
# chkdupexe version 2.1.1
#
# Simple script to look for and list duplicate executables and dangling
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