02-07-2012
compare multiple files and get the difference
Hi all,
i have 50 files .data should be same in these 50 files , so my task is to find the difference. i need a logic , which finds difference between all files and print in output file with file name where it found that difference .
i tried below logic , but its not giving me what i want.
let me give example
i tried this logic:-
cat $TMPDIR/*lis* | sort | egrep -ve $EXCEPTIONS_LIST_GREP | uniq -u| while read line
do
echo "Unique value found : ${line} : in file : `grep -lx "${line}" $TMPDIR/CELL*`"
aa=`grep -lx "${line}" *list*`
echo "$aa"
done >>$TMPDIR/ai see below data in 6 files which have differ by 1 file :-
cat CELL*|sort|egrep -ve HOTFIXED -e old -e B4 -e b4|sort|grep libsyncsor
1213068711 8303736 pbin/lib/libsyncsort.so
1213068711 8303736 pbin/lib/libsyncsort.so
2424480061 8303736 pbin/lib/libsyncsort.so
330122325 8303736 pbin/lib/libsyncsort.so
330122325 8303736 pbin/lib/libsyncsort.so
now above logic which i gave here , is giving 1 file only (bold 1), see the example below:-
cat CELL*|sort|egrep -ve HOTFIXED -e old -e B4 -e b4|sort|uniq -u
2424480061 8303736 pbin/lib/libsyncsort.so
echo from script :-
+ echo Unique value found : 2424480061 8303736 pbin/lib/libsyncsort.so : in file : /tmp/check_sync_20120207_231421_PID_29642/CELLTADM_LIST_2_celltadm@fra-siapp01_list
But we see three type of files in (1st column differes) , 1st-1213068711 , 2nd -2424480061 , 3rd-330122325
so it should give all these 3 difference.
actually i am comparing one directory structure on multiple servers, i copied all files name to different files (server name wise), now remaining thing to get the difference , on which server ,what file is different
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LEARN ABOUT DEBIAN
cut-diff
CUT-DIFF(1) Cutter's manual CUT-DIFF(1)
NAME
cut-diff - show difference between 2 files with color
SYNOPSIS
cut-diff [option ...] file1 file2
DESCRIPTION
cut-diff is a diff command that uses diff feature in Cutter. It shows difference with color.
It's recommended that you use a normal diff(1) when you want to use with patch(1) or you don't need color.
OPTIONS
--version
cut-diff shows its own version and exits.
-c [yes|true|no|false|auto], --color=[yes|true|no|false|auto]
If 'yes' or 'true' is specified, cut-diff uses colorized output by escape sequence. If 'no' or 'false' is specified, cut-diff never
use colorized output. If 'auto' or the option is omitted, cut-diff uses colorized output if available.
The default is auto.
-u, --unified
cut-diff uses unified diff format.
--context-lines=LINES
Shows diff context around LINES.
All lines are shown by default. When unified diff format is used, 3 lines are shown by default.
--label=LABEL, -L=LABEL
Uses LABEL as a header label. The first--label option value is used as file1's label and the second --label option value is used
asfile2's label.
Labels are the same as file names by default.
EXIT STATUS
The exit status is 0 for success, non-0 otherwise.
TODO: 0 for non-difference, 1 for difference and non-0 for errors.
EXAMPLE
In the following example, cut-diff shows difference between file1 and file2:
% cut-diff file1 file2
In the following example, cut-diff shows difference between file1 and file2 with unified diff format:
% cut-diff -u file1 file2
SEE ALSO
diff(1)
Cutter February 2011 CUT-DIFF(1)