[英]parse error: Invalid numeric literal at line 1, column 2 (bash)
我正在 bash 中使用 json,但出現此解析錯誤:
parse error: Invalid numeric literal at line 1, column 2
這段代碼有什么問題?
jsonStr=$(cat << EOF
'{"key1": "value1", "key2": "value2", "key3": "value3"}'
EOF
)
jsonStr=$(jq 'del(.key3)' <<<"$jsonStr")
STRING="hello"
jsonStr=$(jq '. + {'"$STRING"': "value4"}' <<<"$jsonStr")
echo $jsonStr
$(cat << EOF ...)
構造將單引號作為數據的一部分傳遞,即:
$ jsonStr=$(cat << EOF
'{"key1": "value1", "key2": "value2", "key3": "value3"}'
EOF
)
$ echo "${jsonStr}"
'{"key1": "value1", "key2": "value2", "key3": "value3"}'
注意前導/尾隨單引號。
要克服解析錯誤,您需要去掉單引號,例如:
$ jsonStr=$(cat << EOF
{"key1": "value1", "key2": "value2", "key3": "value3"}
EOF
)
# or
$ jsonStr='{"key1": "value1", "key2": "value2", "key3": "value3"}'
以上兩個都給了我們:
$ echo "${jsonStr}"
{"key1": "value1", "key2": "value2", "key3": "value3"}
現在jq/del
按預期工作:
$ jq 'del(.key3)' <<< "${jsonStr}"
{
"key1": "value1",
"key2": "value2"
}
然后+
操作也有效:
$ STRING="hello"
$ jq 'del(.key3)' <<< "${jsonStr}" | jq '. + {'"$STRING"': "value4"}'
{
"key1": "value1",
"key2": "value2",
"hello": "value4"
}
把這一切放在一起:
jsonStr='{"key1": "value1", "key2": "value2", "key3": "value3"}'
jsonStr=$(jq 'del(.key3)' <<< "${jsonStr}")
STRING="hello"
jsonStr=$(jq '. + {'"${STRING}"': "value4"}' <<< "${jsonStr}")
echo "${jsonStr}"
產生:
{
"key1": "value1",
"key2": "value2",
"hello": "value4"
}
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