#! independent of location of python binary

[Harald Kirsch]

In Tcl I write

#!/bin/sh
# \
exec tclsh "$0" ${1+"$@"}

and the tclsh will be found along the path.

How can I do this in python. I tried 

#!/bin/sh
exec python $@ -c "`tail +3 $0`"

but this is of course suboptimal because sys.argv[0] becomes `-c'.

The next one was:

#!/bin/sh
exec python $@ -c "import sys;sys.argv[0]='$0';`tail +3 $0`"

but things start to become really messy here. In addition, it does not
preserve semantics because it forces the import of sys.

  Harald Kirsch
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