commit 19681a07021c2b3dc9eea94069f9f974954726a8 Author: Stephen McQuay (smcquay) Date: Fri Oct 20 14:06:31 2017 -0700 init diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..02038ed --- /dev/null +++ b/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2016, stephen mcquay + +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of authpixious nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..aadb585 --- /dev/null +++ b/README.md @@ -0,0 +1,8 @@ +# slg is structured log grep + +Example: + +```bash +$ echo "key=val key2=val key3=val" | slg key2 +key2=val +``` diff --git a/main.go b/main.go new file mode 100644 index 0000000..aab3df7 --- /dev/null +++ b/main.go @@ -0,0 +1,35 @@ +package main + +import ( + "bufio" + "fmt" + "os" + "strings" +) + +func main() { + keys := map[string]bool{} + for _, k := range os.Args[1:] { + keys[k] = true + } + + s := bufio.NewScanner(os.Stdin) + + for s.Scan() { + ss := []string{} + for _, f := range strings.Fields(s.Text()) { + kv := strings.Split(f, "=") + if len(kv) != 2 { + continue + } + k := kv[0] + if _, ok := keys[k]; !ok { + continue + } + ss = append(ss, f) + } + if len(ss) > 0 { + fmt.Println(strings.Join(ss, " ")) + } + } +}