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パート:xml(無効な式)を照会する方法は? xmlファイルの
<caldata chopper="on" gain_1="0" gain_2="0" gain_3="0" impedance="(0,0)">
<c0 unit="V">0.00000000e+00</c0>
<c1 unit="Hz">4.00000000e-01</c1>
<c2 unit="V/(nT*Hz)">1.93430000e-02</c2>
<c3 unit="deg">8.92260000e+01</c3>
</caldata>
<caldata chopper="on" gain_1="0" gain_2="0" gain_3="0" impedance="(0,0)">
<c0 unit="V">0.00000000e+00</c0>
<c1 unit="Hz">5.55800000e-01</c1>
<c2 unit="V/(nT*Hz)">1.93390000e-02</c2>
<c3 unit="deg">8.89710000e+01</c3>
</caldata>
<caldata chopper="on" gain_1="0" gain_2="0" gain_3="0" impedance="(0,0)">
<c0 unit="V">0.00000000e+00</c0>
<c1 unit="Hz">7.72300000e-01</c1>
<c2 unit="V/(nT*Hz)">1.93320000e-02</c2>
<c3 unit="deg">8.86030000e+01</c3>
</caldata>
私は、C2ライン上の数値を抽出したいです。これは私の試行です:
xmlstarlet sel -t -v '//caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]' 263.xml
Invalid expression: //caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]
compilation error: element with-param
XSLT-with-param: Failed to compile select expression '//caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]'
xmlstarlet sel -t -v '//caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]' 263.xml
Invalid expression: //caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]
compilation error: element with-param
XSLT-with-param: Failed to compile select expression '//caldata chopper="on"[<c2 unit="V/(nT*Hz)"> ]'
どうしたらよいですか?これには、xmlstarlet
が適切なツールですか?