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Full Discussion: Help with UUID replacement in fstab and menu.lst
Top Forums Shell Programming and Scripting Help with UUID replacement in fstab and menu.lst Post 302511923 by arunj on Friday 8th of April 2011 01:41:27 AM
Old 04-08-2011
Help with UUID replacement in fstab and menu.lst
I am trying to write a small backup application for Linux systems file by file if partitions are created by the user using fdisk. I am facing a problem when I am done with restoring the files. The problem is with UUID mismatch in restored fstab and menu.lst.

Using C I could create a partlist.txt file where I have 3 entries:
device_name, "UUID" mountpoint

Need to restore the following:
1. UUID in menu.lst by matching UUID of "/" from partlist.txt
2. Replace correct UUIDs from partlist.txt for all mountpoints in fstab

Also cannot depend on the ordering of lines anywhere.

Attached the sample generated partlist.txt and fstab + menu.lst from Red Hat 6.
I am not an expert in using sed and awk. So any help is really appreciated.
fstab.txt (779 Bytes) 
menu.txt (827 Bytes) 
partlist.txt (162 Bytes) 
 

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LEARN ABOUT DEBIAN

mfontset_lookup

mfontset_lookup(3m17n)						 The m17n Library					    mfontset_lookup(3m17n)

NAME

       mfontset_lookup - Lookup a fontset.

SYNOPSIS

       MPlist * mfontset_lookup (MFontset * fontset, MSymbol script, MSymbol language, MSymbol charset)

DESCRIPTION

       Lookup a fontset. The mfontset_lookup() function lookups fontset and returns a plist that describes the contents of fontset corresponding
       to the specified script, language, and charset.

       If script is Mt, keys of the returned plist are script name symbols for which some fonts are specified and values are NULL.

       If script is a script name symbol, the returned plist is decided by language.

       o If language is Mt, keys of the plist are language name symbols for which some fonts are specified and values are NULL. A key may be Mt
	 which means some fallback fonts are specified for the script.
       o If language is a language name symbol, the plist is a FONT-GROUP for the specified script and language.  FONT-GROUP is a plist whose keys
	 are FLT (FontLayoutTable) name symbols (Mt if no FLT is associated with the font) and values are pointers to MFont.
       o If language is Mnil, the plist is fallback FONT-GROUP for the script.
       If script is Mnil, the returned plist is decided as below.
       o If charset is Mt, keys of the returned plist are charset name symbols for which some fonts are specified and values are NULL.
       o If charset is a charset name symbol, the plist is a FONT-GROUP for the charset.
       o If charset is Mnil, the plist is a fallback FONT-GROUP.
RETURN VALUE

	   It returns a plist describing the contents of a fontset. The plist should be freed by m17n_object_unref().
COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
       <http://www.gnu.org/licenses/fdl.html>.

Version 1.6.2							    12 Jan 2011 					    mfontset_lookup(3m17n)
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