updated readme man page ...

README.md

@@ -142,6 +142,7 @@ See below or `man ts` for more details.
 ```
 usage: ts [action] [-ngfmdE] [-L <lab>] [-D <id>] [cmd...]
 Env vars:
+  TS_VISIBLE_DEVICES  the path to the unix socket used by the ts command.
   TS_SOCKET  the path to the unix socket used by the ts command.
   TS_MAILTO  where to mail the result (on -m). Local user by default.
   TS_MAXFINISHED  maximum finished jobs in the queue.
@@ -152,6 +153,8 @@ Env vars:
   TS_SLOTS   amount of jobs which can run at once, read on server start.
   TMPDIR     directory where to place the output files and the default socket.
 Long option actions:
+  --getenv   <var>                get the value of the specified environment variable.
+  --setenv   <var>                set the specified flag to environment.
   --set_gpu_wait   <sec>          set time to wait before running the next GPU job (30 seconds by default).
   --get_gpu_wait                  get time to wait before running the next GPU job.
   --get_label      || -a [id]     show the job label. Of the last added, if not specified.

ts.1

@@ -25,10 +25,10 @@ Actions:
 .BI "[\-i ["id ]]
 .BI "[\-U <"id - id >]
 .BI "[\-S ["num ]]
-.BI "[\--get_gpu_wait]
-.BI "[\--set_gpu_wait ["sec ]]
 .BI "[\-a/--get_label ["id ]]
 .BI "[\-F/--full_cmd ["id ]]
+.BI "[\--getenv ["var ]]
+.BI "[\--setenv ["var=val ]]
 
 .sp
 Options:
@@ -127,6 +127,16 @@ Run the job with the specified GPU IDs. GPU IDs should be separated by commas.
 .SH ACTIONS
 Instead of giving a new command, we can use the parameters for other purposes:
 .TP
+.B "\--getenv [var]"
+Get the specified environment variable value from the
+.B ts
+server.
+.TP
+.B "\--setenv [var]"
+Set the specified environment variable to the
+.B ts
+server.
+.TP
 .B "\-K"
 Kill the
 .B ts
@@ -158,16 +168,6 @@ Show the job ID of the last added.
 .B "\-R/--count_running"
 Return the number of running jobs
 .TP
-.B "\--get_gpu_wait"
-Get the time to wait before running the next GPU job. This time delay is to ensure
-two closely consecutive jobs do not share GPUs as GPUs' memory is not filled up
-immediately after a job claims.
-.TP
-.B "\--set_gpu_wait <sec>"
-Set time to wait before running the next GPU job (30 seconds by default).
-This time delay is to ensure two closely consecutive jobs do not share GPUs
-as GPUs' memory is not filled up immediately after a job claims.
-.TP
 .B "\-a/--get_label <id>"
 Show the job label. Of the last added, if not specified.
 .TP
@@ -248,8 +248,14 @@ job running, and \fB\-d\fR will try to set the dependency with the last job adde
 Set the maximum amount of running jobs at once. If you don't specify
 .B num
 it will return the maximum amount of running jobs set.
+
+
 .SH ENVIRONMENT
 .TP
+.B "TS_VISIBLE_DEVICES"
+Similar to CUDA_VISIBLE_DEVICES, if a comma-separated string of GPU IDs is provided,
+ts will run jobs on only these devices.
+.TP
 .B "TS_MAXFINISHED"
 Limit the number of job results (finished tasks) you want in the queue. Use this
 option if you are tired of