P4DIFF

Perforce 2004.2 Command Reference


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The name and location of the diff program used by p4 resolve and p4 diff.

Used by Client?	Used by Server?	Command-Line Alternative	Can be set in P4CONFIG file?
Yes	No	None	Yes

Operating System	Value
Windows	If the environment variable `DIFF` has been set, then the value of `DIFF`; otherwise, if the environment variable `SHELL` has been set to any value, then the program diff is used; otherwise, `p4diff.exe`.
All Others	If the environment variable `DIFF` has been set, then the value of `DIFF`; otherwise, Perforce's internal diff routine is used.

The value of P4DIFF can contain flags to the called program, for example, diff -u.

The commands p4 describe, p4 diff2, and p4 submit all use a diff program built into the Perforce server program p4d. This cannot be changed.

Perforce 2004.2 Command Reference


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