How to detect difference between files and print the differences
Dear all,
I have some problem here. I want to detect the differences between two text files and count the number of differences between them.
Such as file1.txt i have : I am new in perl.
and file2.txt i have : I ma enw in pearl.
So it should return me 3 as the number of differences.
So far I have
Code:
use File::Compare;
$count = 0;
open (F1, "file1.txt") || die "Could not open file $!";
while (<F1>) {
push @array1, [ split ];
}
close (F1);
open (F2, "file2.txt") || die "Could not open file $!";
while (<F2>) {
push @array2, [ split ];
close (F2);
foreach (@array1) {
if (@array1 != @array2)
{$count++;
print "$count \n";}
}
Is there anything wrong? Please advise.
Thank you so much in advacned
Last edited by Scott; 09-26-2010 at 06:50 AM..
Reason: Please use code tags
Hello Everybody!!!!!!!!! Request you to help me with the below mentioned issue:
I have 2 files say,
File 1:
a|4|7
b|3|2
c|8|8
d|8|9
File 2:
a|4|6
b|2|2
c|8|8
d|9|8
The third file(output file) should have:
Data mismatch in row 1 column 3
Data mismatch in row 2 coumn 2
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I have two files like this:
#FILE 1
ABCD 4322 26485
JMTJ 5311 97248
XMPJ 4321 58978
#FILE 2
ABCD 4321 26485
JMTJ 5311 97248
XMPJ 4321 68978
What to do: Compare the two files and find those lines that doesn't match. And have a new file like this:
#FILE 3
"from file 1"
ABCD 4322 26485... (11 Replies)
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I am trying to find an alternative way to do tkdiff. In tkdiff the gui compares each line and highlights only the differences.
for eg:
John works at McDonalds s(test)
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I have two csv files, the format of which are exactly the same.
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For exmaple
File 1
xxx,yyy,zzz,1,2,3
111,222,333,xxx,yyy
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Hi
Hope you are having a great weeknd !! I had a question and need your expertise for this :
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need a one liner to compare 2nd and 3rd field and print values that are not matched in 2nd field
Input
col 2 col 3
1.1.1.1 11.11.11.11
8.8.8.8 0.0.0.0
3.3.3.3 2.2.2.2
7.7.7.7 3.3.3.3
5.5.5.5 1.1.1.1
4.4.4.4
6.6.6.6
9.9.9.9
output
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Hello,
I have two text files, each with a single column,
file 1:
124152970
123899868
123476854
54258288
123117283
file 2:
124152970
123899868
54258288
123117283
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Discussion started by: LMHmedchem
5 Replies
LEARN ABOUT DEBIAN
h5diff
h5diff(1) General Commands Manual h5diff(1)NAME
h5diff - Compares two HDF5 files and reports the differences.
SYNOPSIS
h5diff file1 file2 [OPTIONS] [object1 [object2 ] ]
DESCRIPTION
h5diff is a command line tool that compares two HDF5 files, file1 and file2, and reports the differences between them.
Optionally, h5diff will compare two objects within these files. If only one object, object1, is specified, h5diff will compare object1 in
file1 with object1 in file2. In two objects, object1 and object2, are specified, h5diff will compare object1 in file1 with object2 in
file2. These objects must be HDF5 datasets.
object1 and object2 must be expressed as absolute paths from the respective file's root group.
Additional information, with several sample cases, can be found in the document H5diff Examples.
OPTIONS
file1 file2
The HDF5 files to be compared.
-h Print all differences.
-r Print only the names of objects that differ; do not print the differences. These objects may be HDF5 datasets, groups, or named
datatypes.
-n count
Print difference up to count differences, then stop. count must be a positive integer.
-d delta
Print only differences that are greater than the limit delta. delta must be a positive number. The comparison criterion is whether
the absolute value of the difference of two corresponding values is greater than delta (e.g., |a-b| > delta, where a is a value in
file1 and b is a value in file2).
-p relative
Print only differences that are greater than a relative error. relative must be a positive number. The comparison criterion is
whether the absolute value of the difference 1 and the ratio of two corresponding values is greater than relative (e.g., |1-(b/a)| >
relative where a is a value in file1 and b is a value in file2).
object1 object2
Specific object(s) within the files to be compared.
EXAMPLES
The following h5diff call compares the object /a/b in file1 with the object /a/c in file2:
h5diff file1 file2 /a/b /a/c
This h5diff call compares the object /a/b in file1 with the same object in file2:
h5diff file1 file2 /a/b
And this h5diff call compares all objects in both files:
h5diff file1 file2
SEE ALSO h5dump(1), h5ls(1), h5repart(1), h5import(1), gif2h5(1), h52gif(1), h5perf(1)h5diff(1)