【diff】 比较文件的差异【linux】

查看两个文件之间的差异

diff -u version1 version2

查看两个目录之间的差异

diff -ur folder1/ folder2/

忽略空白

diff -ub version1 version2

忽略空白行

diff -uB version1 version2

忽略大小写之间的差异

diff -ui version1 version2

要报告文件是否不同

diff -q version1 version2

要报告文件是否相同

diff -s version1 version2

区分两个命令或脚本的输出

diff <(command1) <(command2)

从两个文件生成修补程序文件

diff -Naur version1 version2 > version.patch

【diff】 compare two files containing similar text【linux】

To view the differences between two files:

diff -u version1 version2

To view the differences between two directories:

diff -ur folder1/ folder2/

To ignore the white spaces:

diff -ub version1 version2

To ignore the blank lines:

diff -uB version1 version2

To ignore the differences between uppercase and lowercase:

diff -ui version1 version2

To report whether the files differ:

diff -q version1 version2

To report whether the files are identical:

diff -s version1 version2

To diff the output of two commands or scripts:

diff <(command1) <(command2)

Generate a patch file from two files

diff -Naur version1 version2 > version.patch

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