Merging is the operation of taking two or more source contents to produce a single one. Things that are commonly merged are files (source code, configuration, etc.), branches in a version control system, redundant entries in databases, etc.

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Merge files using zipper method / late merge

I am searching for a nice method of merging two or more files line by line using the zipper method (also called late merge). Assuming we have three files, the result should look like this: line1 ...
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How do I “merge” two text files?

I recently upgraded from Ubuntu 12.04 to 12.10 and at one point, it encountered an Apache config file conflict in apache2.conf. I didn't give me a merge option at that point, so I just rejected the ...
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1answer
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Merge records depending on common columns and specify the values which are uncommon in the last column as comma separated

I need to merge records depending on first three common columns and place the values which are uncommon in the last column as comma separated . I have a requirement to do the following- InputFile : ...
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4answers
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how to merge pdf files so that each file begins on an odd page number?

I need to merge a few dozed pdfs, and i want all of the input pdfs to start on an odd page in the output pdf. Example: A.pdf has 3 pages, B.pdf has 4 pages. I don't want my output to have 7 pages. ...
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4answers
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Merge 2 files based on all values of the first column of the first file

I need to merge below 2 files: file1: TABLES REF-IO HEAD-IO DIFF-IO test 200 500 -300 exam 2 3 -1 final 2 1 1 mail 4 2 2 TOTAL 208 506 -298 file2:...
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3answers
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How to merge output of two running log files in real-time

I have been analysing how a Linux USB driver works using two disparate methods: examining the output of usbmon, which is a hex dump-ish view of what's being sent "on the wire". adding printk() ...
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2answers
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Merging multiple lines based on column 1

I have a file like below.. abc, 12345 def, text and nos ghi, something else jkl, words and numbers abc, 56345 def, text and nos ghi, something else jkl, words and numbers abc, 15475 def, ...
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merging text files into one

I have four text files each containing a single field. I want to convert them into a single text file with four fields (one from each file). How can I do this using shell scripting.