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Full Discussion: file manipulation
Top Forums Shell Programming and Scripting file manipulation Post 302211721 by radoulov on Friday 4th of July 2008 05:52:23 AM
Old 07-04-2008
Quote:
Originally Posted by teodora
[...]
I need to write a shell script to update properties between files.
[...]
At the end, the properties in both files must have the same values.
[...]
So why don't you just:

Code:
cp file1 file2

If file1 or file2 contain unique parameters you could try this:
(use nawk or /usr/xpg4/bin/awk on Solaris)

Code:
awk -F'\\^*='>_file 'NR == FNR {
  _[$1] = $2
  next
  }
(_[$1] && $0 = $1 (_[$1] ~ /^McoConfigGlobal/ ? "^" : "") "=" _[$1]) ||
  1' file1 file2 && 
       cp file2 file2.bak &&
         mv _file file2

 

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LEARN ABOUT DEBIAN

xzdiff

XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and  xzdiff  invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1).  All options specified
       are passed directly to cmp(1) or diff(1).  If only one file is specified, then the files compared are file1 (which must have a suffix of  a
       supported  compression format) and file1 from which the compression format suffix has been stripped.  If two files are specified, then they
       are uncompressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp(1) or diff(1) is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), lzop(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani 							    2011-03-19								 XZDIFF(1)
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