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Pasted as Bash by registered user uwe ( 11 years ago )
uwe@camp:/tmp$cat test
echo $SHLVL
uwe@camp:/tmp$./test
2
uwe@camp:/tmp$echo -e '#!/bin/sh\n'$(<test) >test2
uwe@camp:/tmp$chmod +x test2
uwe@camp:/tmp$./test2
1
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