Maybe you could try grep -vf file2 file1, or some such.
What kind of "database" does this come from? A relational one? i.e. could you not do select X from Y where X not in (select X from Z)?
2 different databases on different servers. I only have access to one, the other is from another service. I just printed with awk what i needed so that both files are formated the same way.
I ll try that
As for sorting out files well i thought about it but some entries will be missing in the middle of x file and both lines will be out of sync again so diff wouldn't work. I think.
And yes Don, I also need lines that are present in file2 but not in file1.
How would you make that associative array using awk? this sound interesting.
I ll let you know how it goes, meh
---------- Post updated at 06:44 AM ---------- Previous update was at 01:19 AM ----------
Quote:
Originally Posted by Don Cragun
Do you only want to find lines that are in file1 that are not in file2, or do you also want to find lines that are in file2 that are not in file1?
---------- Post updated at 04:42 PM ---------- Previous update was at 04:00 PM ----------
If you can't perform a select as Scott suggested, there are at least a couple of fairly straight-forward ways of handling this. The easiest may well be the best:
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LEARN ABOUT SUSE
xzcmp
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 xdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1). All options specified are passed
directly to cmp or diff. If only one file is specified, then the files compared are file1 (which must have a suffix of a supported com-
pression format) and file1 from which the compression format suffix has been stripped. If two files are specified, then they are uncom-
pressed if necessary and fed to cmp(1) or diff(1). The exit status from cmp or diff 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), zdiff(1)BUGS
Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.
Tukaani 2009-07-05 XZDIFF(1)
09-04-2012
