Recently I was asked to write a regular expression in Perl to print the occurrences(count) of each character in a string. It should be in one line. Can you help me out with a solution?
Thanks in advance.
Coolbhai (6 Replies)
Use and complete the template provided. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
How can I count number of occurance of a single character in a file..
eg. How many '$' characters are there in account file..!
2. Relevant commands,... (1 Reply)
Hello,
I have a text file with n lines in the following format (9 column fields):
Example:
contig00012 149606 G C 49 68 60 18 c$cccccacccccccccc^c
I need to count the number of lower-case and upper-case occurences in column 9, respectively, of the... (3 Replies)
Hi,
I have a file with more than 1000 lines. Most of the lines have 16 characters. I want to find out lines that have less than 14 characters (usually 12 or 13).
wc -l gives me the line count and wc -c gives me the total characters in a file. I could not get the total characters for each line.... (1 Reply)
Hello All,
I got a requirement when I was working with a file. Say the file has unloads of data from a table in the form
1|121|asda|434|thesi|2012|05|24|
1|343|unit|09|best|2012|11|5|
I was put into a scenario where I need the field count in all the lines in that file. It was simply... (6 Replies)
I need the character count of the last line of each file in a directory, and not the total.
Now I have been doing this but unfortunately, -exec doesn't support pipes:
find sent/ -type f -exec tail -1|wc -c {} \;
If I try this:
find sent/ -type f -exec tail -1 {} \; | wc -c
It will give... (6 Replies)
#!/bin/ksh
read name
read mobile
echo $name | wc -m
Nunberchar=`echo $name |wc -m`
echo $Nunberchar
I write something above, however the char count is wrong, it always count the $ , how to avoid it ? (5 Replies)
Hello,
I do have folders containing having funny strings in their names and one space.
First, I do remove the funny strings and replace the space by an underscore.
find . -name '* *' | while read file;
do
target=`echo "$file" | sed 's/... (2 Replies)
I will appreciate if you help me here in this script in Solaris Enviroment.
Scenario:
i have 2 files :
1) /tmp/TRANSACTIONS_DAILY_20180730.txt:
201807300000000004
201807300000000005
201807300000000006
201807300000000007
201807300000000008
2)... (10 Replies)
Discussion started by: teokon90
10 Replies
LEARN ABOUT REDHAT
xml::dom::characterdata
CHARACTERDATA(1) User Contributed Perl Documentation CHARACTERDATA(1)NAME
XML::DOM::CharacterData - Common interface for Text, CDATASections and Comments
DESCRIPTION
XML::DOM::CharacterData extends XML::DOM::Node
The CharacterData interface extends Node with a set of attributes and methods for accessing character data in the DOM. For clarity this set
is defined here rather than on each object that uses these attributes and methods. No DOM objects correspond directly to CharacterData,
though Text, Comment and CDATASection do inherit the interface from it. All offsets in this interface start from 0.
METHODS
getData and setData (data)
The character data of the node that implements this interface. The DOM implementation may not put arbitrary limits on the amount of
data that may be stored in a CharacterData node. However, implementation limits may mean that the entirety of a node's data may not fit
into a single DOMString. In such cases, the user may call substringData to retrieve the data in appropriately sized pieces.
getLength
The number of characters that are available through data and the substringData method below. This may have the value zero, i.e., Char-
acterData nodes may be empty.
substringData (offset, count)
Extracts a range of data from the node.
Parameters:
offset Start offset of substring to extract.
count The number of characters to extract.
Return Value: The specified substring. If the sum of offset and count exceeds the length, then all characters to the end of the data
are returned.
appendData (str)
Appends the string to the end of the character data of the node. Upon success, data provides access to the concatenation of data and
the DOMString specified.
insertData (offset, arg)
Inserts a string at the specified character offset.
Parameters:
offset The character offset at which to insert.
arg The DOMString to insert.
deleteData (offset, count)
Removes a range of characters from the node. Upon success, data and length reflect the change. If the sum of offset and count exceeds
length then all characters from offset to the end of the data are deleted.
Parameters:
offset The offset from which to remove characters.
count The number of characters to delete.
replaceData (offset, count, arg)
Replaces the characters starting at the specified character offset with the specified string.
Parameters:
offset The offset from which to start replacing.
count The number of characters to replace.
arg The DOMString with which the range must be replaced.
If the sum of offset and count exceeds length, then all characters to the end of the data are replaced (i.e., the effect is the same as
a remove method call with the same range, followed by an append method invocation).
perl v5.8.0 2000-01-31 CHARACTERDATA(1)