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 OSX
opendiff
opendiff(1) BSD General Commands Manual opendiff(1)NAME
opendiff -- Use FileMerge to graphically compare or merge file or directories
SYNOPSIS
opendiff file1 file2 [-ancestor ancestorFile] [-merge mergeFile]
opendiff dir1 dir2 [-ancestor ancestorDirectory] [-merge mergeDirectory]
DESCRIPTION
opendiff is a command line utility that provides a convenient way to launch the FileMerge application from Terminal to graphically compare
files or directories. If FileMerge is already running, opendiff will connect to that running instance for the new comparison. opendiff
exits immediately after the comparison request has been sent to FileMerge.
opendiff and FileMerge can be used to compare two files file1 and file2 or to compare two directories dir1 and dir2.
If the -ancestor flag is given, FileMerge will compare the two files or directories to a common ancestor. This is useful if two people inde-
pendently modify copies of a single original file or directory.
FileMerge lets you merge two files or directories together to create a third file or directory. To see the contents of a merged file, drag
the splitter bar at the bottom of FileMerge's file comparison window. The contents of the merged file can be directly edited within File-
Merge. After editing, the merged file can be saved to the file (or into the directory) specified with the Fl merge flag. If a destination
is not specified with the -merge flag, FileMerge will ask for a destination file or directory when you try to save a merged file.
For further information, please consult the Help information available from the FileMerge application.
FILES
/Developer/Applications/Utilities/FileMerge.app
opendiff and FileMerge are installed as part of the Mac OS X Developer Tools.
SEE ALSO diff(1), diff3(1), cmp(1)Mac OS X August 3, 2004 Mac OS X
09-04-2012
