Sponsored Content
Top Forums UNIX for Dummies Questions & Answers Silly problem with sed and grep Post 302545534 by alister on Monday 8th of August 2011 05:50:13 PM
Old 08-08-2011
Converting a DOS text file (\r\n line endings) that may contain empty lines into a UNIX text file (\n line endings) without empty lines is equivalent to deleting the carriage returns and squeezing the newlines:
Code:
tr -ds \\r \\n

Emphasis on "text file".

Regards,
Alister
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Silly CP command

I'm trying to copy all of the files I created from one dir to another, any suggestions. I can do and LL |grep my_id to select all of the files I created, am I on the right track? Thanks, MH (4 Replies)
Discussion started by: Mr.Hanky
4 Replies

2. Solaris

Silly question

Are GNOME or javadsktop supported of the box on Solaris 10 on Ultra (SUNBlade 1500) ? I'could switch desktops to KDE at CDE logon. But when I tried to use the JavaDesktop it simply returns me back to the log on screen of CDE. How do I conigure to the latest GNOME and.or JavaDesktop if... (3 Replies)
Discussion started by: miket
3 Replies

3. UNIX for Dummies Questions & Answers

Silly question about a process

I know its kinda silly but I've seen the texts consider one side - a thread executes and finishes its task but I was wondering what will happen if the process dies when the thread is still under execution... I somehow think that the thread will continue execution but am backing off from the fact... (10 Replies)
Discussion started by: Legend986
10 Replies

4. UNIX for Dummies Questions & Answers

silly question

How do I go about finding the number of unique words in a file. (3 Replies)
Discussion started by: EECSDAVE
3 Replies

5. Solaris

Silly question regarding SSH.

Hi Guys, I have installed SSH package on server as well as clients. I think I need to these steps next. Login as root on the server. 1) ssh-keygen -b 1024 -t rsa -f /etc/ssh_hosts_key.pub -N " " Login to root as the user. 2)ssh_keygen -b 1024 -t rsa Enter the phrase Basically this... (3 Replies)
Discussion started by: nitinkgoud
3 Replies

6. UNIX for Dummies Questions & Answers

silly question ..

hi all last week i had appeared for an interview where they asked me as u work on windows & unix tell me what are the advantages of UNIX over windows & vice versa ..i gave 2-3 reasons but when i told that unix is more secure than windows he asked me how ? i was speechless. then i googled about... (6 Replies)
Discussion started by: zedex
6 Replies

7. Solaris

I have a silly question

Can anyone tell me where is the best place to put my own system related scripts on a solaris server. I usually place my scripts in /usr/sbin/<my_name>, but that is only because my senior sysadmin used to do that. What does the "unix etiquette" say? (8 Replies)
Discussion started by: soliberus
8 Replies

8. Shell Programming and Scripting

A silly question

FILENAME is a variable. Is there really any difference between "$FILENAME.sh" and "$FILENAME".sh ? (5 Replies)
Discussion started by: proactiveaditya
5 Replies

9. Post Here to Contact Site Administrators and Moderators

Might be silly question

Hi Team, In case if i want to delete one of my posting thread.. can i delete that? Just asking to know.. (5 Replies)
Discussion started by: darling
5 Replies

10. UNIX for Dummies Questions & Answers

sed Or Grep Problem OR Terminal Problem?

I don't know if you guys get this problem sometimes at Terminal but I had been having this problem since yesterday :( Maybe I overdid the Terminal. Even the codes that used to work doesn't work anymore. Here is what 's happening: * I wanted to remove lines containing digits so I used this... (25 Replies)
Discussion started by: Nexeu
25 Replies
wc(1)							      General Commands Manual							     wc(1)

NAME
wc - count words, lines, and bytes or characters in a file SYNOPSIS
[file]... DESCRIPTION
The command counts lines, words, and bytes or characters in the named files, or in the standard input if no file names are specified. It also keeps a total count for all named files. A word is a string of characters delimited by spaces, tabs, or newlines. Options recognizes the following options: Report the number of bytes in each input file. Report the number of newline characters in each input file. Report the number of characters in each input file. Report the number of words in each input file. The and options are mutually exclusive. Otherwise, the and or options can be used in any combination to specify that a subset of lines, words, and bytes or characters are to be reported. When any option is specified, reports only the information requested. If no option is specified, the default output is When a file is specified on the command line, its name is printed along with the counts. Standard Output By default, the standard output contains an entry for each input file in the form: newlines words bytes file If the option is specified, the number of characters replaces the bytes field in this format. If any option is specified, the fields for the unspecified options are omitted. If no file operand is specified, neither the file name nor the preceding blank character is written. If more than one file operand is specified, an additional line is written at the end of the output, of the same format as the other lines, except that the word (in the POSIX locale) is written instead of a file name and the total of each column is written as appropriate. Under UNIX Standard environment, a word is a string of characters delimited by spaces, tabs, newline, carriage-return, vertical tab, or form-feed. RETURN VALUE
exits with one of the following values: Successful completion. An error occurred. EXTERNAL INFLUENCES
For information about the UNIX Standard environment, see standards(5). Environment Variables determines the range of graphics and space characters, and the interpretation of text as single- and/or multibyte characters. determines the language in which messages are displayed. If or is not specified in the environment or is null, they default to the value of If is not specified or is null, it defaults to (see lang(5)). If any internationalization variable contains an invalid setting, they all default to See environ(5). International Code Set Support Single- and multibyte character code sets are supported. with a newline character, the count will be off by one. WARNINGS
The command counts the number of newlines to determine the line count. If a text file has a final line that is not terminated with a new- line character, the count will be off by one. EXAMPLES
Print the number of words and characters in The following is printed when the above command is executed: where words is the number of words and chars is the number of characters in SEE ALSO
standards(5). STANDARDS CONFORMANCE
wc(1)
All times are GMT -4. The time now is 04:08 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy