You seem to have at least heard of redirections, but >> is MEANT to append to files, so above described behaviour is no surprise. Don't use the single > to the input file either as it would destroy the target and thus the input before it can be read.
Try > TMP && mv TMP file (which might lose the original file's attributes).
If the command:
produces the data you want to appear in your file on the screen, and there are one or more hard links to file.xml, the following should do what you want safely:
If you are absolutely positive that there will never be more than one hard link to file.xml and you don't care about preserving modes and ownership of the original file, you can change:
in the above to:
to make it run a little bit faster, and avoid the period of time while the file is being copied where someone reading file.xml might find an incomplete file.
This User Gave Thanks to Don Cragun For This Post:
Please try to use single redirection symbol in your code like below.
NO! Do not do this. The first thing that the above command does is reduce file.xml to length zero. The perl command then reads that zero length file and, finding no data to process, leaves you with all of your original data deleted.
I want to write a one line script that outputs the result of multiple xml tags from a XML file. For example I have a XML file which has below XML tags in the file:
<EMAIL>***</EMAIL>
<CUSTOMER_ID>****</CUSTOMER_ID>
<BRANDID>***</BRANDID>
Now I want to grep the values of all these specified... (1 Reply)
Hi Forum.
I have an XML file with the following requirement to move the <AdditionalAccountHolders> tag and its content right after the <accountHolderName> tag within the same file but I'm not sure how to accomplish this through a Unix script.
Any feedback will be greatly appreciated.
... (19 Replies)
Hi,
My requirement is something like this,
I have a xml file that contains some tags and nested tags,
<n:tag_name1>
<n:sub_tag1>val1</n:sub_tag1>
<n:sub_tag2>val2</n:sub_tag2>
</n:tag_name1>
<n:tag_name2>
<n:sub_tag1>value</n:sub_tag1>
... (6 Replies)
I want to basically do the below thing. Suppose there is a tag called object1. I want to display an output for all similar tag values under heading of Object 1 and the count of the xmls. Please help
File:
<xml><object1>house</object1><object2>child</object2>... (9 Replies)
I have a xml file in where I need to parse only a particular tag and print the output in the shell script.
Here is the tag info in the xml file
<dp:file> This is dp file output </dp:file>
Output should be printed as
This is dp file output.
Please help.Thank you. (5 Replies)
Hi All,
I'm stuck with adding multiple lines(irrespective of line number) to a file before a particular xml tag. Please help me.
<A>testing_Location</A>
<value>LA</value>
<zone>US</zone>
<B>Region</B>
<value>Russia</value>
<zone>Washington</zone>
<C>Country</C>... (0 Replies)
Hi All,
Find the following code:
<Universal>D38x82j1JJ
</Universal>
I want to retrieve the value of <Universal> tag as below:
Please help me. (3 Replies)
Hi All,
I have number of xml file like :
______________________________________________________
<?xml version="1.0" standalone="no"?>
<!-- Created by Symology Ltd on 13/02/2012 - USER_BATCH_ID 0011091684 -->
<!-- RECIPIENT_URL: HTTP://194.168.0.81:3408 -->
<EToNrequest
... (7 Replies)
We have 2 XML file 1. ORIGINAL.xml file and 2. ATTRIBUTE.xml files, In the ORIGINAL.xml we need some modification as <resourceCode>431048</resourceCode>under <item type="Manufactured"> tag - we need to grab the 431048 value from tag and pass it to database table in unix shell script to find the... (0 Replies)
Hi
I have a XML file in which data is loaded from a relational table and the column names are tags in the xml file which is shown below.
... (8 Replies)