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# goconst
Find repeated strings that could be replaced by a constant.
### Motivation
There are obvious benefits to using constants instead of repeating strings, mostly to ease maintenance. Cannot argue against changing a single constant versus many strings.
While this could be considered a beginner mistake, across time, multiple packages and large codebases, some repetition could have slipped in.
### Get Started
$ go get github.com/jgautheron/goconst/cmd/goconst
$ goconst ./...
### Usage
```
Usage:
goconst ARGS <directory>
Flags:
-ignore exclude files matching the given regular expression
-ignore-tests exclude tests from the search (default: true)
-min-occurrences report from how many occurrences (default: 2)
-min-length only report strings with the minimum given length (default: 3)
-match-constant look for existing constants matching the values
-numbers search also for duplicated numbers
-min minimum value, only works with -numbers
-max maximum value, only works with -numbers
-output output formatting (text or json)
-set-exit-status Set exit status to 2 if any issues are found
Examples:
goconst ./...
goconst -ignore "yacc|\.pb\." $GOPATH/src/github.com/cockroachdb/cockroach/...
goconst -min-occurrences 3 -output json $GOPATH/src/github.com/cockroachdb/cockroach
goconst -numbers -min 60 -max 512 .
```
### Other static analysis tools
- [gogetimports](https://github.com/jgautheron/gogetimports): Get a JSON-formatted list of imports.
- [usedexports](https://github.com/jgautheron/usedexports): Find exported variables that could be unexported.
### License
MIT
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