file-comparison | 易学教程

how to compare two files and print mismatched line number in python?

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问题 I have two files which contains same number of lines. "file1.txt" contains following lines: Attitude is a little thing that makes a big difference The only disability in life is a bad attitude Abundance is, in large part, an attitude Smile when it hurts most "file2.txt" contains: Attitude is a little thing that makes a big difference Everyone has his burden. What counts is how you carry it Abundance is, in large part, an attitude A positive attitude may not solve all your problems I want to

how to compare two files and print mismatched line number in python?

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Reliable way to (programmatically) compare PDFs? [duplicate]

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问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Tool to compare large numbers of PDF files? I am in the classic scenario where the business gives you a bunch of new pdf forms for the new year with no revision notes whatsoever and you are supposed to figure out what's different from the previous year ones. I am talking loads of forms here, so I am trying to find a way to compare PDFs to outline differences without having people to manually go through each and

Is there a way to compare two .exes to see what differs between them?

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问题 Is there a tool / process by which I can decompile two .exes (one of which runs on a handheld device, the other which doesn't) so that I can get a glimpse into what differs/what the problem may be? Of course, seeing that one has "00xA" where the other has "00xB" won't help me. I mean a way to see code that differs, or more likely, a compiled resource or config file difference, or some build option or so? I'm almost positive the problem has nothing to do with code per se (if/while/switch

Is there a way to compare two .exes to see what differs between them?

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finding rows from file2 in file1 which have extended columns in file2

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问题 I have file1 as: ABC CDEF HAGD CBDGCBAHS:ATSVHC NBS JHA AUW MNDBE:BWJW DKW QDW OIW KNDSK:WLKJW BNSHW JBSS IJS BSHJA ABC CDEF CBS 234:ATSVHC DKW QDW FSD 634:WLKJW and file2: ABC CDEF HAGD CBDGCBAHS:ATSVHC:THE:123 NBS JHA AUW MNDBE:BWJW:THE:243 DKW QDW OIW KNDSK:WLKJW:THE:253 KAB GCBS YSTW SHSEB:AGTW:THE:193 I want to compare file 1 and file 2 based on column 1,2,3 and 4 except that column 4 in file2 has a bit of an extension to compare with, by using awk 'FNR==NR{seen[$1,$2,$3,$4;next} ($1,$2,

How can I know if an “assembly” really did change?

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问题 I created a simple "Hello World" application in VS2005. It's a straight-forward console application; it only contains the following lines: Console.WriteLine("Hello World"); Console.ReadLine(); When I tried to rebuild the same console application WITHOUT performing any changes (just press the rebuild button), I get a subtly different executable. (I generated a SHA-1 hash from both the 1st and 2nd generated executable, and it's different!) Why is it different when there are no code changes?

Comparing two files in batch script

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问题 i am trying to compare two files in the manner, each line of file 1 will be compared with every line of file 2 and if no match is found, write that line to a seperate file. Below is the code i wrote but it is not working as expected, @echo on cd path for /f %%a in (file1.txt) do ( for /f %%b in (file2.txt) do ( if %%a==%%b ( echo lines are same ) else ( echo %%a >> file3.txt ) ) ) I am getting an error saying, the syntax of the command is incorrect. Please help me with this. 回答1: The FINDSTR

filecmp.cmp() ignoring differing os.stat() signatures?

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问题 The Python 2 docs for filecmp() say: Unless shallow is given and is false, files with identical os.stat() signatures are taken to be equal. Which sounds like two files which are identical except for their os.stat() signature will be considered unequal, however this does not seem to be the case, as illustrated by running the following code snippet: import filecmp import os import shutil import time with open('test_file_1', 'w') as f: f.write('file contents') shutil.copy('test_file_1', 'test

Comparing two files in batch script

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i am trying to compare two files in the manner, each line of file 1 will be compared with every line of file 2 and if no match is found, write that line to a seperate file. Below is the code i wrote but it is not working as expected, @echo on cd path for /f %%a in (file1.txt) do ( for /f %%b in (file2.txt) do ( if %%a==%%b ( echo lines are same ) else ( echo %%a >> file3.txt ) ) ) I am getting an error saying, the syntax of the command is incorrect. Please help me with this. dbenham The FINDSTR method that foxidrive shows is definitely the fastest pure batch way to approach the problem,