how can I change the value in xml using bash

Question

<resources> <string name="app_name">Keep Accounts</string> <string name="login">"login"</string> <string name="login_password">"password："</string> <string name="login_account_hint">input to login</string> <string name="login_password_hint">input your password</string> <string name="login_fail">login failed</string> </resources>

For example I want to change the value "Keep Accounts" to "Keep Accounts 2".The "app_name" may not only be "Keep Accounts",but also other values,let's say XXX,but the "app_name" is certain,I want the output be:

<resources> <string name="app_name">XXX 2</string> <string name="login">"login"</string> <string name="login_password">"password："</string> <string name="login_account_hint">input to login</string> <string name="login_password_hint">input your password</string> <string name="login_fail">login failed</string> </resources>

I suspect that you need to show us a bit more context; at the moment your problem can be solved by sed 's/Keep Accounts/& 2/' file.xml but it's the wrong tool for the job and probably won't work with your real data. — Tom Fenech
– Tom Fenech, Commented Mar 8, 2016 at 9:21
the items may be so many,so it should be select by "app_name",then change the value. — Francis Shi
– Francis Shi, Commented Mar 8, 2016 at 9:28
Please edit your question to show us a more complete example along with the desired output. — Tom Fenech
– Tom Fenech, Commented Mar 8, 2016 at 9:42

choroba · Accepted Answer · 2016-03-08 09:23:04Z

1

Use a XML aware tool. I'd do it in xsh:

open file.xml ;
insert text " 2" into /resources/string ;
save :b ;

answered Mar 8, 2016 at 9:23

choroba

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1 Comment

Tom Fenech Over a year ago

Looks like a nice tool!

SSSDDD · Accepted Answer · 2016-03-08 15:58:58Z

0

sed -i 's/<string name=\"app_name\">.*<\/string>/<string name=\"app_name\">NewName<\/string>/g' xml_filename.xml

The single line sed (bash) solution to replace any 'app_name'

Use sed -i to replace the contents of the file in question

I assumed you have the xml content in a file named xml_filename.xml but change this as required

answered Mar 8, 2016 at 15:58

SSSDDD

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1 Comment

Francis Shi Over a year ago

-i.bu is Ok. But I want the new name based on the old name. For example the old name is "Hello",the new name should be "Hello(new)"

methuselah-0 · Accepted Answer · 2020-03-15 13:38:58Z

0

if you have python-pip installed, you can install xq with pip install yq, then try this(I have tested it works):

xmldoc=$(cat <<'EOF'
<resources>
    <string name="app_name">Keep Accounts</string>
    <string name="login">"login"</string>
    <string name="login_password">"password："</string>
    <string name="login_account_hint">input to login</string>
    <string name="login_password_hint">input your password</string>
    <string name="login_fail">login failed</string>
</resources>
EOF
)
echo "$xmldoc" | xq '.resources.string = ([.resources.string[]|select(."#text" == "Keep Accounts") ."#text" = "Keep Accounts 2"])' -x

edited Mar 15, 2020 at 13:38

answered Mar 15, 2020 at 13:22

methuselah-0

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