curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '.[]'
上面的命令仅输出以下值：
"madireddy@test.com" "2323" "test" "02-03-2014-13:41" "application"
我如何像下面这样获取键名：
email versionID context date versionName
您可以使用：
$ jq 'keys' file.json $ cat file.json: { "Archiver-Version" : "Plexus Archiver", "Build-Id" : "", "Build-Jdk" : "1.7.0_07", "Build-Number" : "", "Build-Tag" : "", "Built-By" : "cporter", "Created-By" : "Apache Maven", "Implementation-Title" : "northstar", "Implementation-Vendor-Id" : "com.test.testPack", "Implementation-Version" : "testBox", "Manifest-Version" : "1.0", "appname" : "testApp", "build-date" : "02-03-2014-13:41", "version" : "testBox" } $ jq 'keys' file.json [ "Archiver-Version", "Build-Id", "Build-Jdk", "Build-Number", "Build-Tag", "Built-By", "Created-By", "Implementation-Title", "Implementation-Vendor-Id", "Implementation-Version", "Manifest-Version", "appname", "build-date", "version" ]
更新： 要使用这些键创建一个BASH数组：
使用BASH 4+：
mapfile -t arr < <(jq -r 'keys[]' ms.json)
在较旧的BASH上，您可以执行以下操作：
arr=() while IFS='' read -r line; do arr+=("$line") done < <(jq 'keys[]' ms.json)
然后打印：
printf "%s\n" ${arr[@]} "Archiver-Version" "Build-Id" "Build-Jdk" "Build-Number" "Build-Tag" "Built-By" "Created-By" "Implementation-Title" "Implementation-Vendor-Id" "Implementation-Version" "Manifest-Version" "appname" "build-date" "version"
