% dbxfasta 
Index a fasta file database using b+tree indices
Basename for index files: emrod
Resource name: emblresource
    simple : >ID
     idacc : >ID ACC or >ID (ACC)
      idsv : >ID SV or >ID (SV)
     gcgid : >db:ID
  gcgidacc : >db:ID ACC
      dbid : >db ID
      ncbi : | formats
ID line format [idacc]: idacc
Database directory [.]: data
Wildcard database filename [*.fasta]: emrod
        id : ID
       acc : Accession number
        sv : Sequence Version and GI
       des : Description
Index fields [id,acc]: 
Compressed index files [Y]: 
General log output file [outfile.dbxfasta]: 

Index a fasta file database using b+tree indices
Version: EMBOSS:6.6.0.0

   Standard (Mandatory) qualifiers:
  [-dbname]            string     Basename for index files (Any string from 2
                                  to 19 characters, matching regular
                                  expression /[A-z][A-z0-9_]+/)
  [-dbresource]        string     Resource name (Any string from 2 to 19
                                  characters, matching regular expression
                                  /[A-z][A-z0-9_]+/)
   -idformat           menu       [idacc] ID line format (Values: simple
                                  (>ID); idacc (>ID ACC or >ID (ACC)); idsv
                                  (>ID SV or >ID (SV)); gcgid (>db:ID);
                                  gcgidacc (>db:ID ACC); dbid (>db ID); ncbi
                                  (| formats))
   -directory          directory  [.] Database directory
   -filenames          string     [*.fasta] Wildcard database filename (Any
                                  string)
   -fields             menu       [id,acc] Index fields (Values: id (ID); acc
                                  (Accession number); sv (Sequence Version and
                                  GI); des (Description))
   -[no]compressed     boolean    [Y] Compressed index files
   -outfile            outfile    [*.dbxfasta] General log output file

   Additional (Optional) qualifiers: (none)
   Advanced (Unprompted) qualifiers:
   -release            string     [0.0] Release number (Any string up to 9
                                  characters)
   -date               string     [00/00/00] Index date (Date string dd/mm/yy)
   -exclude            string     Wildcard filename(s) to exclude (Any string)
   -statistics         boolean    [N] Report I/O statistics for each input
                                  file
   -indexoutdir        outdir     [.] Index file output directory

   Associated qualifiers:

   "-directory" associated qualifiers
   -extension          string     Default file extension

   "-indexoutdir" associated qualifiers
   -extension          string     Default file extension

   "-outfile" associated qualifiers
   -odirectory         string     Output directory

   General qualifiers:
   -auto               boolean    Turn off prompts
   -stdout             boolean    Write first file to standard output
   -filter             boolean    Read first file from standard input, write
                                  first file to standard output
   -options            boolean    Prompt for standard and additional values
   -debug              boolean    Write debug output to program.dbg
   -verbose            boolean    Report some/full command line options
   -help               boolean    Report command line options and exit. More
                                  information on associated and general
                                  qualifiers can be found with -help -verbose
   -warning            boolean    Report warnings
   -error              boolean    Report errors
   -fatal              boolean    Report fatal errors
   -die                boolean    Report dying program messages
   -version            boolean    Report version number and exit

Processing directory: /homes/user/test/data/
Processing file: emrod
entries: 6 (6) time: 0.0/0.0s (-0.0/0.0)
Total time: 0:00.0
Entry idlen 15 OK. Maximum ID length was 6 for 'L48662'.
Field acc acclen 15 OK. Maximum acc term length was 6 for 'L48662'.

# Number of files: 1
# Release: 0.0
# Date:    00/00/00
Single filename database
emrod

Type         Identifier
Compress     Yes
Pages        3
Secpages     0
Order        71
Fill         56
Level        0
Pagesize     2048
Cachesize    20000
Order2       22
Fill2        41
Secpagesize  512
Seccachesize 20000
Count        6
Fullcount    6
Kwlimit      15
Reffiles     0

Type         Identifier
Compress     Yes
Pages        3
Secpages     0
Order        71
Fill         56
Level        0
Pagesize     2048
Cachesize    20000
Order2       22
Fill2        41
Secpagesize  512
Seccachesize 20000
Count        6
Fullcount    6
Kwlimit      15
Reffiles     0