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Dell EMC OpenManage Command Line Interface Guide Version 9.1

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Saving Command Results To A File That Is Overwritten

Use the -outc option when you want to overwrite data stored in previously written files. For example, at 11:00 A.M. you capture fan probe RPM readings for fan probe 0 on the system and write the results to a file called fans.txt. You type: 
omreport chassis fans index=0 -outc fans.txt
or 
omreport mainsystem fans index=0 -outc fans.txt

Partial results written to the file are:

Table 1. Partial Results. Partial Results
Index : 0
Status : OK
Probe Name : System Board Fan 1 RPM
Reading : 2380RPM
Minimum Warning Threshold : 600RPM
Maximum Warning Threshold : 5700RPM
Minimum Failure Threshold : 500RPM
Maximum Failure Threshold : 6000RPM
Four hours later, you repeat the command. You have no interest in the 11:00 A.M. snapshot as written to fans.txt. You type the same command: 
omreport chassis fans index=0 -outc fans.txt
or 
omreport mainsystem fans index=0 -outc fans.txt

The 3:00 P.M. data overwrites the 11:00 A.M. data in the fans.txt file.

Fans.txt now reads as follows:

Table 2. Result. Result
Index : 0
Status : OK
Probe Name : System Board Fan 1 RPM
Reading : 3001RPM
Minimum Warning Threshold : 700RPM
Maximum Warning Threshold : 5500RPM
Minimum Failure Threshold : 500RPM
Maximum Failure Threshold : 6000RPM

You cannot refer to the previous command results to compare the earlier fan probe 0 output with the present output because in using the -outc option, you overwrote the fans.txt file.

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