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dinedal / textql


Execute SQL against structured text like CSV or TSV



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Allows you to easily execute SQL against structured text like CSV or TSV.

Example session: textql_usage_session

Major changes!

Since there has been some time since the initial release of textql, I've made some improvements as well as made the project much more modular. There's also been a additional performance tweaks and added functionality, but this comes at the cost of breaking the original command line flags and changing the install command.

Changes since v1


  • Numeric values are automatically recognized in more cases.
  • Date / Time / DateTime values are automatically recognized in reasonable formats. See Time Strings for a list for accepted formats, and how to convert from other formats.
  • Added join support! Multiple files / directories can be loaded by listing them at the end of the command.
  • Directories are read by reading each file inside, and this is non-recursive.
  • You can list as many files / directories as you like.
  • Added flag '-output-file' to save output directly to a file.
  • Added flag '-output-dlm' to modify the output delimiter.
  • Added "short SQL" syntax.
    • For the case of a single table, the FROM [table] can be dropped from the query.
    • For simple selects, the SELECT keyword can be dropped from the query.
    • This means the v1 command textql -sql "select * from tbl" -source some_file.csv can be shortened to textql -sql "*" some_file.csv


  • The flag '-outputHeader' was renamed to '-output-header'.


  • Dropped the ability to override table names. This makes less sense after the automatic tablename generation based on filename, joins, and shorter SQL syntax changes.
  • Removed '-source', any files / paths at the end of the command are used, as well as piped in data.

Bug fixes:

  • Writing to a directory no longer fails silently.

Key differences between textql and sqlite importing

  • sqlite import will not accept stdin, breaking unix pipes. textql will happily do so.
  • textql supports quote escaped delimiters, sqlite does not.
  • textql leverages the sqlite in memory database feature as much as possible and only touches disk if asked.

Is it any good?



  • Go


go get -u


  textql [-console] [-save-to path path] [-output-file path] [-output-dlm delimter] [-output-header] [-header] [-dlm delimter] [-source path] [-sql sql_statements] [-quiet] [path ...]

        After all commands are run, open sqlite3 console with this data
  -dlm string
        Input delimiter between fields -dlm=tab for tab, -dlm=0x## to specify a character code in hex (default ",")
        Treat file as having the first row as a header row
  -output-dlm string
        Output delimiter between fields -output-dlm=tab for tab, -dlm=0x## to specify a character code in hex (default ",")
  -output-file string
        Filename to write output to, if empty no output is written (default "stdout")
        Display column names in output
        Surpress logging
  -save-to string
        If set, sqlite3 db is left on disk at this path
  -sql string
        SQL Command(s) to run on the data
        Print version and exit


New MIT License - Copyright (c) 2014, 2015 Paul Bergeron

See LICENSE for details