[ACCUMULO-2747] Scan "show few" long option contains a space

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.5
• Fix Version/s: 1.5.2, 1.6.1, 1.7.0
• Component/s: shell
• Labels: newbie summit2014

Environment

1.4.5 on BigTop 0.7.0

• Assignee: Jeffrey S Schwartz
• Reporter: Sean Busbey
• Created: 28/Apr/14 21:28
• Updated: 13/Jun/14 03:00
• Resolved: 13/Jun/14 03:00

Description

the "show few" option on the scan command has a space instead of a dash. It's confusing and inconsistent.

root@bigtop> help scan                       
usage: scan [-?] [-b <start-row>] [-c <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>] [-e <end-row>] [-f <int>] [-fm <className>] [-np] [-r <row>]
       [-s <comma-separated-authorizations>] [-st] [-t <table>]
description: scans the table, and displays the resulting records
  -?,--help                                                                                  display this help
  -b,--begin-row <start-row>                                                                 begin row (inclusive)
  -c,--columns <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>     comma-separated columns
  -e,--end-row <end-row>                                                                     end row (inclusive)
  -f,--show few <int>                                                                        show only a specified number of characters
  -fm,--formatter <className>                                                                fully qualified name of the formatter class to use
  -np,--no-pagination                                                                        disable pagination of output
  -r,--row <row>                                                                             row to scan
  -s,--scan-authorizations <comma-separated-authorizations>                                  scan authorizations (all user auths are used if this argument is not specified)
  -st,--show-timestamps                                                                      display timestamps
  -t,--tableName <table>                                                                     table to be scanned
root@bigtop> scan -t usertable --show few 40 
2014-04-28 14:26:55,704 [shell.Shell] ERROR: org.apache.commons.cli.UnrecognizedOptionException: Unrecognized option: --show
usage: scan [-?] [-b <start-row>] [-c <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>] [-e <end-row>] [-f <int>] [-fm <className>] [-np] [-r <row>] [-s <comma-separated-authorizations>] [-st] [-t <table>]
description: scans the table, and displays the resulting records
  -?,--help                                                                                  display this help
  -b,--begin-row <start-row>                                                                 begin row (inclusive)
  -c,--columns <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>     comma-separated columns
  -e,--end-row <end-row>                                                                     end row (inclusive)
  -f,--show few <int>                                                                        show only a specified number of characters
  -fm,--formatter <className>                                                                fully qualified name of the formatter class to use
  -np,--no-pagination                                                                        disable pagination of output
  -r,--row <row>                                                                             row to scan
  -s,--scan-authorizations <comma-separated-authorizations>                                  scan authorizations (all user auths are used if this argument is not specified)
  -st,--show-timestamps                                                                      display timestamps
  -t,--tableName <table>                                                                     table to be scanned
root@bigtop> scan -t usertable --show-few 40
2014-04-28 14:27:00,175 [shell.Shell] ERROR: org.apache.commons.cli.UnrecognizedOptionException: Unrecognized option: --show-few
usage: scan [-?] [-b <start-row>] [-c <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>] [-e <end-row>] [-f <int>] [-fm <className>] [-np] [-r <row>] [-s <comma-separated-authorizations>] [-st] [-t <table>]
description: scans the table, and displays the resulting records
  -?,--help                                                                                  display this help
  -b,--begin-row <start-row>                                                                 begin row (inclusive)
  -c,--columns <<columnfamily>[:<columnqualifier>]{,<columnfamily>[:<columnqualifier>]}>     comma-separated columns
  -e,--end-row <end-row>                                                                     end row (inclusive)
  -f,--show few <int>                                                                        show only a specified number of characters
  -fm,--formatter <className>                                                                fully qualified name of the formatter class to use
  -np,--no-pagination                                                                        disable pagination of output
  -r,--row <row>                                                                             row to scan
  -s,--scan-authorizations <comma-separated-authorizations>                                  scan authorizations (all user auths are used if this argument is not specified)
  -st,--show-timestamps                                                                      display timestamps
  -t,--tableName <table>                                                                     table to be scanned
root@bigtop> scan -t usertable --show\ few 40
<snip contents>

Expected: dash in name, or other means to not include escaping

Workaround: use short form (-f) or escape the space as shown above.