I have an xml file and trying to append a shell variable contents into the file using sed. The below command works fine but when I use it in a script, it gives me below error. Any suggestions please
sed: -e expression #1, char 66: unknown command: `<'
REQUEST="<abc>abc</abc>\n<xyz>xyz</xyz>"
sed -i "/<NAME>/ i $REQUEST" file.xml
file.xml:
<abc>abc</abc>
<xyz>xyz</xyz>
<NAME>
Related
I am trying to replace a string in a file using the SED command.
Here the command is \
sed -i 's/\\F\\//g' $filepath
this works completely fine and when I do the same thing in the below way
param=s/\\F\\//g
sed -i "'$param'" $filepath
it give this error:
sed: -e expression #1, char 1: unknown command: `''
and some times other error saying path not found if I try to play with the syntax.
Thanks
Put the param as-is in a variable. Then use the variable, as a rule of thumb, always inside ".
param='s/\\F\\//g'
sed -i "$param" "$filepath"
I'm having a problem with using sed in a bash script.
Here is the line:
sed -i "s/"$name"/"$input"/g" ~/input.script
I'm getting this error:
sed: -e expression #1, char 24: unterminated `s' command
Weirdly enough it was working in an earlier version of my code. I've been trouble shooting but I cannot find a solution.
You don't need nested quotes. Also, try changing the delimeter:
sed -i "s#$name#$input#g" ~/input.script
I have to find a specific text in the file and then replace that text with some new text.
The contents of the file are:
host=100
servers=4
clients=70
I have tried this:
var=$(grep "servers=" /path/to/file)
sed -i "s/${var}/servers=5/g" /path/to/file
But it gives me the error:
sed: -e expression #1, char 2: unterminated `s' command
Note: All I want is to update the value of each of the variable i.e. servers=4 should be replaced by servers=5.
Please help me figure out the solution.
Thanks.
The output of grep ends with a newline character. sed expects the whole command on one line or escaping line breaks.
However, you can easily achieve the complete task with sed only:
sed -i 's/^servers=[0-9]*$/servers=5/' /path/to/file
sed -i.bak "s/servers=[0-9]*/servers=5/" /path/to/file
I am using shell script. My requirement is to find and replace the string. The string contains "/" char as well. I am getting error sed: -e expression #1, char 18: unterminated `s' command. Can someone tell how should i replace the string which has "/"?
#!/bin/bash
...
search_string="../conf/TestSystem/Inst1.xml"
rep="Inst1/Instrument.xml"
sed -i 's|${line}|${rep}/g' MasterConfiguration.xml
I tried using another sed command but that one also gave error sed: -e expression #1, char 13: unknown option to `s'
sed -e "s/${line}/${rep}/g" MasterConfiguration.xml > tempfile
Whenever you deal with shell-variables you have to get them out of the "sed-string":
For example:
sed -e "s/"${line}"/"${rep}"/g" MasterConfiguration.xml > tempfile
Otherwise sed will treat the chars as-is and search for ${line} literally:
As you see, nothing happens here.
Furthermore, if your variables contain / you need to use another delimiter for sed. I tend to use ~ in such a case, but you're free to use other chars - just be consequent and don't mix them like in your first example-sed-command:
sed 's~'${line}'~'${rep}'/g' //WRONG
sed 's~'${line}'~'${rep}'~g' //RIGHT
Combine both and it will work:
You can try this sed,
sed -i "s#${line}#${rep}#g" MasterConfiguration.xml
Problem:
Instead you have,
sed -i "s|${line}|${rep}/g" MasterConfiguration.xml
It should be,
sed -i "s|${line}|${rep}|g" MasterConfiguration.xml
Syntax:
sed "s|pattern|replacement|g"
I'm trying to make the sed command replace these:
CURRENT_TOMCAT=/opt/tomcat/lib
NEW_TOMCAT=/usr/tomcat/lib
sed -i "s/$CURRENT_TOMCAT/$NEW_TOMCAT/" tomcat.env
I've tried a bunch of combinations with no success, sometimes getting the unknown option to `s' error, sometimes getting no errors, but no changes are made
The line I that needs to be change looks like this:
TOMCAT_LIB=/opt/tomcat/lib; export TOMCAT_LIB
Try changing the delimiter to another one not contained in your strings. For example, #:
CURRENT_TOMCAT=/opt/tomcat/lib
NEW_TOMCAT=/usr/tomcat/lib
sed -i "s#$CURRENT_TOMCAT#$NEW_TOMCAT#" tomcat.env
^ ^ ^
Test
$ cat a
hello/how are you?
$ old="hello/how"
$ new="bye/how"
$ sed "s/$old/$new/" a
sed: -e expression #1, char 13: unknown option to `s' <---- meeec
$ sed "s#$old#$new#" a
bye/how are you? <---- successful!