Visit Our UNIX and Linux User Community

character match and count

Thread Tools Search this Thread
Homework and Emergencies Homework & Coursework Questions character match and count
# 1  
Old 10-14-2009
character match and count

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, code, scripts, algorithms:
may be uniq,wc,cmp and using pipes

3. The attempts at a solution (include all code and scripts):
tried with uniq..but it shows number of lines repeated,not single character

4. School (University) and Course Number:
# 2  
Old 10-14-2009
grep -o '\$' file-name | wc -l

Match using grep, and count using wc.

Previous Thread | Next Thread
Test Your Knowledge in Computers #799
Difficulty: Medium
In digital numeral systems, the radix is the number of unique digits minus 1.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Count specific character of a file in each line and delete this character in a specific position

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

2. UNIX for Beginners Questions & Answers

Match file and find count

Hi All, I have transaction in one file.I want to match that to another file and find the number of time the transaction is available on the other file.I need to take each record from TRANSFILE and match that with SPEND FILE and find the number of counts of the transaction TRANSFILE: ... (4 Replies)
Discussion started by: arunkumar_mca
4 Replies

3. Shell Programming and Scripting

Finding a certain character in a filename and count the characters up to the certain character

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)
Discussion started by: tempestas
2 Replies

4. Shell Programming and Scripting

awk - count character count of fields

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)
Discussion started by: PikK45
6 Replies

5. Shell Programming and Scripting

Count number of match words

Input: some random text SELECT TABLE1 some more random text some random text SELECT TABLE2 some more random text some random text SELECT TABLE3 some more random text some random text SELECT TABLE1 some more random text Output: 'SELECT TABLE1' 2 'SELECT TABLE2' 1 'SELECT TABLE3' 1 I... (5 Replies)
Discussion started by: chitech
5 Replies

6. Shell Programming and Scripting

Count the delimeter from a file and delete the row if delimeter count doesnt match.

I have a file containing about 5 million rows, in the file there are some records which has extra delimiter at random position. (we dont know the positions), now we have to Count the delimeter from each row and if the count of delimeter is not matching then I want to delete those rows from the... (5 Replies)
Discussion started by: Akumar1
5 Replies

7. Shell Programming and Scripting

Match and count the number of times

ile1 Beckham Ronaldo file2 Beckham Beckham_human Ronaldo Ronaldo_spain Ronaldo Ronaldo_brazil Beckham Beckham_manch Zidane Zidane_Fran Rooney Rooney_Eng Output shud be (1 Reply)
Discussion started by: cdfd123
1 Replies

8. Shell Programming and Scripting

Count number of occurences of a character in a field defined by the character in another field

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)
Discussion started by: s052866
3 Replies

9. Shell Programming and Scripting

count character

Hi, I am reading a string from a file. now i want to count the number of chareacter in the string and if it is more then 8 capture only last 8 characters. ex. string=mypassword <<do something>> output should be: string=password Thanks for you help. (13 Replies)
Discussion started by: myguess21
13 Replies

10. Shell Programming and Scripting

Grep, count and match two files

I am writing the below script to do a grep and count number of occurances between two tab delimited files. I am trying to achieve.. 1) Extract column 2 and column 3 from the S.txt file. Put it in a temp pattern file 2) Grep and count column 2 in D.txt file 3) Compare the counts between... (19 Replies)
Discussion started by: madhunk
19 Replies

Featured Tech Videos