simple command line tool to pretty print and filter logs. reads from stdin.
$ go install github.com/jigish/lq@latest
$ lq --help
lq is a simple log pretty printer and filter. reads from stdin.
Usage:
lq [flags]
Flags:
-e, --exclude strings do not print these extra fields
-f, --format string incoming log line format: json, logfmt, or auto (default "auto")
-h, --help help for lq
-i, --include strings only print these extra fields
--level-field string level field name (default "level")
-m, --match strings print log lines only when the given field string equals the given value. format: field=value
--match-duration strings print log lines only when the given field duration equals the given value. format: field=value
--match-duration-greater strings print log lines only when the given field duration is greater than the given value. format: field>value
--match-duration-greater-or-equal strings print log lines only when the given field duration is greater than or equals the given value. format: field>=value
--match-duration-less strings print log lines only when the given field duration is less than the given value. format: field<value
--match-duration-less-or-equal strings print log lines only when the given field duration is less than or equals the given value. format: field<=value
--match-float strings print log lines only when the given field float equals the given value. format: field=value
--match-float-greater strings print log lines only when the given field float is greater than the given value. format: field>value
--match-float-greater-or-equal strings print log lines only when the given field float is greater than or equals the given value. format: field>=value
--match-float-less strings print log lines only when the given field float is less than the given value. format: field<value
--match-float-less-or-equal strings print log lines only when the given field float is less than or equals the given value. format: field<=value
--match-int strings print log lines only when the given field int equals the given value. format: field=value
--match-int-greater strings print log lines only when the given field int is greater than the given value. format: field>value
--match-int-greater-or-equal strings print log lines only when the given field int is greater than or equals the given value. format: field>=value
--match-int-less strings print log lines only when the given field int is less than the given value. format: field<value
--match-int-less-or-equal strings print log lines only when the given field int is less than or equals the given value. format: field<=value
-M, --match-regex strings print log lines only when the given field string regex matches the given value. format: field=value
--match-time strings print log lines only when the given field time equals the given value. format: field=value
--match-time-after strings print log lines only when the given field time is after the given value. format: field>value
--match-time-after-or-equal strings print log lines only when the given field time is after or equals the given value. format: field>=value
--match-time-before strings print log lines only when the given field time is before the given value. format: field<value
--match-time-before-or-equal strings print log lines only when the given field time is before or equals the given value. format: field<=value
--match-time-format string time format for --match-time* (see https://pkg.go.dev/time#pkg-constants) (default "2006-01-02T15:04:05.000Z07:00")
--message-field string message field name (default "msg")
--print-invalid-format print lines with invalid format
-q, --quiet quiet all internal error logging
--timestamp-field string timestamp field name (default "ts")
--timestamp-format string timestamp format (see https://pkg.go.dev/time#pkg-constants) (default "2006-01-02T15:04:05.000Z07:00")
lq is inspired by humanlog and leverages zerolog for pretty printing.