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  1. or download this
    ken@ibm-laptop:~/tmp> /usr/bin/env perl -e 'print "Hello, world!"'
Hello, world!ken@ibm-laptop:~/tmp>
  2. or download this
    ken@ibm-laptop:~/tmp> /usr/bin/env perl -le 'print "Hello, world!"'
Hello, world!
  3. or download this
    ken@ibm-laptop:~/tmp> which env
/usr/bin/env
  4. or download this
    ken@ibm-laptop:~/tmp> env perl -e 'print "Hello, world!"'
Hello, world!ken@ibm-laptop:~/tmp>
  5. or download this
    ken@ibm-laptop:~/tmp> env perl -le 'print "Hello, world!"'
Hello, world!
  6. or download this
    ken@ibm-laptop:~/tmp> env perl -l -e 'print "Hello, world!"'
Hello, world!
  7. or download this
    ken@ibm-laptop:~/tmp> env perl -e 1
ken@ibm-laptop:~/tmp>