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1
vote
2answers
137 views

Remove 2 and 3 newlines in a text file but not 1

I'm developing on a max osx 10.8 and have no preferences to which tool to use probably sed but it doesn't matter. Update after comment: The input file uses windows new lines if that's complicates ...
3
votes
1answer
224 views

Is the last new line on fstab important?

What happens if the last line of fstab is not terminated by a newline? Why do people get a warning when that last line is not terminated by a newline?
2
votes
2answers
860 views

Why does wc -l tell me that this non-empty file has 0 lines?

xclip/xsel are utilities that allow you to pipe clipboard output to the shell on Ubuntu. Unfortunately, they seem to fail in combination with the wc command. Try this. Open a new file and type: ...
5
votes
2answers
261 views

read -a array -d '\n' < foo, exit code 1

If I try to execute read -a fooArr -d '\n' < bar the exit code is 1 -- even though it accomplishes what I want it to; put each line of bar in an element of the array fooArr (using bash 4.2.37). ...
0
votes
3answers
293 views

Make VIM act as Notepad++ on mixed line endings

I've googled all around and found tons of weird solutions to ^M problem, but couldn't find one and simple: how could I just open any file, like in Notepad++ and work on it? I don't want to mess with ...
2
votes
2answers
249 views

Directories are listed twice

I have something odd. I creates some directories using a very simple script : ... create all directories ( running under a user that has the correct rights ) e.g : mkdir -p ...
2
votes
5answers
6k views

Carriage return issue

I have this in a bash script DAY2="20130605"<Cr> echo "This is yesterday date:"$DAY2"end" Why is the output the following? It seems as though there is a carriage return in DAY2 but where is ...
0
votes
1answer
2k views

How can I preserve new lines coming from a command's output during variable assignment?

Consider: $ getfacl somefile.dat # The output is formatted and contains several new lines.. # file: somefile.dat # owner: user1 # group: group1 user::rw- group::r-- #effective:r-- ...
4
votes
2answers
2k views

Character count in Unix wc command

When I give wc command on a file with contents given below, it gives the number of characters as 30. Does it include the end of file character? Since including the space and newline there are only 29 ...
1
vote
1answer
209 views

Why is it that , to newline is working but newline to , is not working sed?

I have got a text file with a list of first names, and I am trying to replace newline with ,. Here is the command I am using sed 's/\ /,/g' file while the reverse is working sed 's/,/\ /g' file ...
2
votes
2answers
568 views

view file containing ISO-8859 text, CRLF line terminators, and escape sequences

I have stumbled upon a strange text file in an archive of an old dos game downloaded from some abandonware site. The text file is named WHY_NOT.TXT. I assume the file is some sort of .NFO file from ...
5
votes
1answer
136 views

array[@] output all messed up?

I've got this code: Unix+=("Stock List") while read line; do result=$(wget -O - -o /dev/null "http://finance.yahoo.com/d/quotes.csv?s=$line&f=sl1&e=.csv" | tr ',' ' ' | tr '"' ' ') ...
2
votes
1answer
292 views

How to `tee` dropping all CR lines only in the file but not stdout?

When using e.g. rsync, I'd like to tee its output such that I can both view the current progress live, and have a log for later. Using just piping | tee logfile the logfile will contain many lines à ...
2
votes
2answers
266 views

Removing consecutive newlines with ed

Input file: 1 line1\ 2 line2\ 3 line3\ 4 \ 5 line4\ 6 \ 7 \ 8 line5\ Desired output: 1 line1 2 line2 3 line3 4 5 line4 6 7 line5 Is it possible with POSIX ed? Removing the trailing backslashes ...
2
votes
1answer
167 views

Insert newlines with vim

How to insert newlines in vim? For example in a file containing test-classes; classes; xmlunit-1.3.jar I am looking for the vim equivalent of sed command sed -i 's/; /\n/g' classpath to obtain ...
0
votes
1answer
104 views

What does this “matching lines means”?

The grep manual says "By default, grep prints the matching lines.". What does this matching lines says. When I tried its prints the whole paragraph containing the pattern.
2
votes
3answers
349 views

How to read '\n' into variable with Bash's built-in command?

Somehow I'm not able to read the trailing \n sign into the REPLY variable. Under any circumstances I want to avoid a blank line that results from the \n being echoed by read but echo one in case of ...
2
votes
4answers
3k views

How to detect dos format files in git bash

Git Bash is a nice bash shell you get in Windows as part of the installation of Git. It comes with other typical unix tools bundled inside, such as grep, sed, awk, perl. It doesn't have the file ...
0
votes
1answer
249 views

what is the best way to convert CRLF to LF and the viceversa for C++ files in my project [duplicate]

Possible Duplicate: How to bulk convert all the file in a file system branch between Unix and Windows line break format? which is the best tool to convert the CRLF to LF for my project in ...
0
votes
1answer
3k views

Script failing with “command not found: ^M”

When I try to run the following script in zsh, via the command /bin/zsh ~/.set_color_scheme.sh I get the following error: command not found: ^M The script has u+x permissions and it used to work on ...
3
votes
1answer
620 views

Does input redirection (<) append a newline character?

I was originally of the impression that $ ./myprog moo[CTRL-D] is exactly the same as $ echo moo > cow $ ./myprog < cow But I found that myprog always counts one more \n in the second ...
9
votes
2answers
4k views

Finding all “Non-Binary” files

Is it possible to use the find command to find all the "non-binary" files in a directory? Here's the problem I'm trying to solve. I've getting an archive of files from a windows user. This archive ...
5
votes
3answers
3k views

Collapsing a stream of multiple lines into one line

I have a file containing a a large number of lines, each of which contains a bunch of numbers which are separated by spaces. I process this data in a pipe in some way, and then I want to collapse the ...
4
votes
4answers
3k views

concatenate two files without adding a newline

If I nano two files, one of which reads 'this' without me entering a newline, and one of which reads 'is' without me entering a newline, I want to be able to then cat the two files together into ...
4
votes
3answers
575 views

How to skip file in sed if it contains regex?

I currently use the following simplified command to remove trailing whitespace and add a newline at end of file where needed: find . -type f -exec sed -i -e 's/[ \t]\+\(\r\?\)$/\1/;$a\' {} \+ As ...
6
votes
2answers
20k views

Removing all spaces, tabs, newlines, etc from a variable?

This is the error I am getting and it's failing because of a variable whose value is supposed to be 2 (I am getting this using a select * from tabel). I am getting spaces in that variable. + 0 != ...
50
votes
7answers
54k views

How to add a newline to the end of a file?

Using version control systems I get annoyed at the noise when the diff says No newline at end of file. So I was wondering: How to add a newline at the end of a file to get rid off those messages?
4
votes
3answers
2k views

How to bulk convert all the file in a file system branch between Unix and Windows line break format?

Everybody knows :-) that in Windows plain text files lines are terminated with CR+LF, and in Unix&Linux - with LF only. How can I quickly convert all my source code files from one format to ...
41
votes
4answers
10k views

What's the point in adding a new line to the end of a file?

Some compilers (especially C or C++ ones) give you warnings about: No new line at end of file I thought this would be a C-programmers-only problem, but github displays a message in the commit view: ...