Stata Log

The log command records commands and command output, and writes them to a log file.

Usage

Rich Logs

Stata supports a rich log format, using the .smcl file extension.

log using "path/to/file.smcl", replace
log close

Text Logs

Use the text option.

log using "path/to/file.txt", replace text
log close

Temporarily Disabling Logging

Some output should not be recorded. Try:

log off
display "Rather than running commands quietly, temporarily turn off logging.
log on

Stored Results

log stores the following details:

log name in r(name)
log filename in r(filename)
logging status (on or off) in r(status)
log type (smcl or text) in r(type)

log query _all stores the number of open logs in r(numlogs). For each open log, it stores the above details as e.g. r(name1), r(name2), and so on.

Stata/Log