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CAPTURE

Capture query output to a file (tee-style — output is shown and saved).

Syntax

CAPTURE '<filename>'
CAPTURE OFF
CAPTURE

Usage

cqlsh> CAPTURE '/tmp/output.txt'
Now capturing query output to '/tmp/output.txt'.

cqlsh> SELECT * FROM system.local;
-- output shown AND written to file --

cqlsh> CAPTURE
Currently capturing to '/tmp/output.txt'.

cqlsh> CAPTURE OFF
Stopped capture. Output saved to '/tmp/output.txt'.

Notes

  • Disabled when --no-file-io is used.
  • The file is created (or truncated) when CAPTURE is started.
  • Tilde (~) in paths is expanded to the home directory.