python - jq 或 python 脚本删除 json 字段中日期之后的文本

Question

我有一个包含数百个条目的 json 文件，例如:

{
    "url":"http://example.com/10618/",
    "metatag.eprints.publication":"Journal of Corporate Real Estate",
    "metatag.eprints.title":"Corporate Real Estate Strategy",
    "metatag.eprints.citation":"Adair, P, McGrogan, WS, and Webb, JR (2006) Corporate Real Estate Strategy. Journal of Corporate Real Estate"}
{
    "url":"http://example.com/23552/",
    "metatag.eprints.publication":"European Journal of Cardio-Thoracic Surgery",
    "metatag.eprints.title":"Long-term survival from coronary endarterectomies in coronary artery disease",
    "metatag.eprints.citation":"Aaron, P, Jones, K, Pallin, C, and Nash, R (2012) Long-term survival from coronary endarterectomies in coronary artery disease. European Journal of Cardio-Thoracic Surgery"}

有人可以帮助编写一个 jq 或 python 脚本吗？对于每个 block ，该脚本都会更改“metatag.eprints.引用”，以便删除日期之后的所有文本？

所以上面的 block 将变成:

{
    "url":"http://example.com/10618/",
    "metatag.eprints.publication":"Journal of Corporate Real Estate",
    "metatag.eprints.title":"Corporate Real Estate Strategy",
    "metatag.eprints.citation":"Adair, P, McGrogan, WS, and Webb, JR (2006)"}
{
    "url":"http://example.com/23552/",
    "metatag.eprints.publication":"European Journal of Cardio-Thoracic Surgery",
    "metatag.eprints.title":"Long-term survival from coronary endarterectomies in coronary artery disease",
    "metatag.eprints.citation":"Aaron, P, Jones, K, Pallin, C, and Nash, R (2012)"}

Answer 1

jq '.["metatag.eprints.引用"] |= match(".*?\\\)").string//.'

需要 jq 1.5。其作用是将 metatag.eprints.itation 的值设置为将自身与正则表达式 .*?\) 匹配的结果，它将匹配第一次关闭之前的所有内容插入语。如果出于某种原因没有右括号，我们将使用替代运算符 // 将值设置回原来的值。