No details available for recoverable file number 1

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Synopsis

Would the par2 files worthwile to keep when there is

"No details available for recoverable file number 1."

error?

Conclusion

No, if there is such error, par2 can't even rename files.

Symptom

Everything seems fine except the error message:

Verifying source files:
No details available for recoverable file number 1.

Analysis

par2 and data files are AOK

$ nice -n 16 par2verify Recovery\ Set.par2
par2cmdline version 0.4, Copyright (C) 2003 Peter Brian Clements.

Loading "Recovery Set.par2".
Loaded 21 new packets
Loading "Recovery Set.vol031+32.par2".
Loaded 32 new packets including 32 recovery blocks
Loading "Recovery Set.vol007+8.par2".
Loaded 8 new packets including 8 recovery blocks
Loading "Recovery Set.vol063+64.par2".
Loaded 64 new packets including 64 recovery blocks
Loading "Recovery Set.vol127+65.par2".
Loaded 65 new packets including 65 recovery blocks
Loading "Recovery Set.vol001+2.par2".
Loaded 2 new packets including 2 recovery blocks
Loading "Recovery Set.vol015+16.par2".
Loaded 16 new packets including 16 recovery blocks
Loading "Recovery Set.vol003+4.par2".
Loaded 4 new packets including 4 recovery blocks
Loading "Recovery Set.vol000+1.par2".
Loaded 1 new packets including 1 recovery blocks

There are 10 recoverable files and 0 other files.
The block size used was 350000 bytes.
There are a total of 1912 data blocks.
The total size of the data files is 667400630 bytes.

Verifying source files:

No details available for recoverable file number 1.
Recovery will not be possible.
 Target: "CD 1.mp3" - found.
 Target: "CD 2.mp3" - found.
 Target: "CD 3.mp3" - found.
 Target: "CD 4.mp3" - found.
 Target: "CD 5.mp3" - found.
 Target: "CD 6.mp3" - found.
 Target: "CD 7.mp3" - found.
 Target: "CD 8.mp3" - found.
 Target: "CD 9.mp3" - found.

rename data files

Rename "CD ?.mp3" to "Renamed CD ?.mp3".

mv "CD 1.mp3" "Renamed CD 1.mp3"
mv "CD 2.mp3" "Renamed CD 2.mp3"
mv "CD 3.mp3" "Renamed CD 3.mp3"
mv "CD 4.mp3" "Renamed CD 4.mp3"
mv "CD 5.mp3" "Renamed CD 5.mp3"
mv "CD 6.mp3" "Renamed CD 6.mp3"
mv "CD 7.mp3" "Renamed CD 7.mp3"
mv "CD 8.mp3" "Renamed CD 8.mp3"
mv "CD 9.mp3" "Renamed CD 9.mp3"

check again

$ nice -n 16 par2verify Recovery\ Set.par2 Renamed\ CD\ *
There are 10 recoverable files and 0 other files.
The block size used was 350000 bytes.
There are a total of 1912 data blocks.
The total size of the data files is 667400630 bytes.

Verifying source files:

No details available for recoverable file number 1.
Recovery will not be possible.
 Target: "CD 1.mp3" - missing.
 Target: "CD 2.mp3" - missing.
 Target: "CD 3.mp3" - missing.
 Target: "CD 4.mp3" - missing.
 Target: "CD 5.mp3" - missing.
 Target: "CD 6.mp3" - missing.
 Target: "CD 7.mp3" - missing.
 Target: "CD 8.mp3" - missing.
 Target: "CD 9.mp3" - missing.

Because "recovery will not be possible", par2verify doesn't even bother to check the rest of command line files.