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49 lines
1.0 KiB
Markdown
Executable File
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# The `diff/sdiff` command
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This command is used to display the differences in the files by comparing the files line by line.
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### Syntax:
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```
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diff [options] File1 File2
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```
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### Example
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1. Lets say we have two files with names a.txt and b.txt containing 5 Indian states as follows-:
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```
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$ cat a.txt
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Gujarat
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Uttar Pradesh
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Kolkata
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Bihar
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Jammu and Kashmir
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$ cat b.txt
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Tamil Nadu
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Gujarat
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Andhra Pradesh
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Bihar
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Uttar pradesh
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```
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On typing the diff command we will get below output.
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```
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$ diff a.txt b.txt
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0a1
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> Tamil Nadu
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2,3c3
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< Uttar Pradesh
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Andhra Pradesh
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5c5
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Uttar pradesh
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```
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### Flags and their Functionalities
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|**Short Flag** |**Description** |
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|--|--|
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| `-c`|To view differences in context mode, use the -c option. |
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| `-u`|To view differences in unified mode, use the -u option. It is similar to context mode |
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|`-i`|By default this command is case sensitive. To make this command case in-sensitive use -i option with diff. |
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|`-version`|This option is used to display the version of diff which is currently running on your system. |
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