grub2: Invoking grub2-script-check

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1 30 Invoking grub2-script-check
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11 The program 'grub2-script-check' takes a GRUB script file (⇒
 Shell-like scripting) and checks it for syntax errors, similar to
1 commands such as 'sh -n'.  It may take a PATH as a non-option argument;
1 if none is supplied, it will read from standard input.
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1      grub-script-check /boot/grub2/grub.cfg
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1    'grub2-script-check' accepts the following options:
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1 '--help'
1      Print a summary of the command-line options and exit.
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1 '--version'
1      Print the version number of GRUB and exit.
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1 '-v'
1 '--verbose'
1      Print each line of input after reading it.
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