: Perforce MACRO
P4CHARSET Character set used for translation of Unicode files.
P4COMMANDCHARSET Non-UTF-16 or UTF-32 character set used by Command-Line Client when P4CHARSET is set to a UTF-16 or UTF-32 character set.
P4CLIENT Name of the current client workspace.
P4DIFF The name and location of the diff program used by p4 resolve and p4 diff.
P4EDITOR The editor invoked by those Perforce commands that use forms.
P4HOST Hostname of the client workstation. Only useful if the Host: field of the current client workspace has been set in the p4 client form.
P4IGNORE A list of files to ignore when using the p4 add and p4 reconcile commands.
P4LANGUAGE This environment variable is reserved for system integrators.
P4MERGE The name and location of the third-party merge program to be used by p4 resolve's merge option.
P4PASSWD Supplies the current Perforce user's password for any Perforce command.
P4PORT The protocol, host and port number of the Perforce service (including proxies or brokers) with which to communicate.
P4TRUST The location of a file of known (trusted) Perforce servers. You manage the contents of this file with the p4 trust command. By default, this file is .p4trust in your home directory.
P4USER Current Perforce user name.