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Subject: Re: tar exit values (return codes) From: firstname.lastname@example.org (John DuBois) Date: Thu, Mar 27, 2003 7:53 PM In article <3E82E922.email@example.com>, Ian Wilson <firstname.lastname@example.org> wrote: > >Ian Wilson wrote: > >> For 'tar cf /dev/rSt0' in OSR505 I find that return codes are as follows >> 0 when no problems occurred. >> 6 when no tape in drive. >> 16 when someone else is using the device. >> >> is there a full list of return codes and meanings? Unfortunately, no.
>143 when tar is SIGTERMed >5 when tape is write protected >130 when tar is INTERRUPTed >Empiric methods can be so slow! > >Stand by whilst I discover the exit code for "tape drive on fire" ... Values over 128 represent the OR'ing of 128 with a signal that killed tar (or any other program). SIGINT = 2; 128 + 2 = 130; SIGTERM = 15 ... Skimming the tar source turns up these exit codes: 0 - success 1 - bad directory tree, failed to extract a requested file, input file same as output file, failed to open input file, could not create link, link table malloc failure 2 - internationalization error that should never occur, checksum error 5 - checksum error 9 (EBADF) - error reading /etc/default/tar, misplaced end of volume 12 (ENOMEM) - failure to allocate memory for buffer 22 (EINVAL) - bad invokation (argument syntax errors), bad parameters to options 28 (ENOSPC) - file too large for a volume 78 (ENAMETOOLONG) - cwd name too long 171 (ETOAST) - tape drive on fire fork()/execl() errno if /bin/pwd & /usr/bin/pwd cannot be executed (unlikely) pipe(), fork(), and execl() errnos for problems in creating pipe to compressor read()/write() errno - tape read/write error fopen() errno - failure to create tempfile creat() errno - could not create output file write() errno - failure to write extracted file mkdir() errno - failure to make directory dup()/open() errno - failure to reopen input/output lseek()/reak() errno - failure to seek/skip on archive fopen(), fread() errno - failure to read from file list file You got 5 for a write-protected tape because that's the errno EIO (I/O error). John -- John DuBois email@example.com KC6QKZ/AE https://www.armory.com/~spcecdt/
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