Hi,
I am just trying to extract a line at a time from a file using awk and can't yet extract even the first line using the following:-
awk '/(^) && (NR==1)/ {print $1}' file1
Is there an obvious silly error here?
Thanks (3 Replies)
If my file looks like this….
10
20
30
and I want to take each line individually and put it in a variable so it can be read
later in it's on individual test statement, how can I do that? I guess what I'm asking is how can I extract each line individually.
Thanks (5 Replies)
I was proposed with the following problem:
The file 'numbers' contains a list of numbers. Write a command to place the
largest one of those numbers in the file 'largest' (there should be nothing
else in that file). Do not use the 'head' command in your answer.
I think if i used the sort... (1 Reply)
Hi,
I would like to extract a certain portion of sentences from a particular sentence i.e. to extract the last section embrace by
input
output
Please advice.
Cheers (6 Replies)
Hello there, I am new to unix and would like to do the following, hoping someone would give some guide, thanks in advance.
Lets say i have a file like this:
A w x y w x 0.1
B w x y w x 0.3
C w x y w x 0.7
D w x y w x 0.9
E w x y w x 0.2
So i would like to extract line 1 data where line... (2 Replies)
My file looks like this and i need to only extract those with PDT_AP21_B and output it to another file. Can anyone help? Thanks.
PDT_AP21_R,,, 11 TYS,,,,T17D1207230742TYO***T17DS,,C
PDT_AP21_L,,,9631166650001 ,,,,T17D1207230903TYOTYST17DS ,,C... (3 Replies)
Hi,
I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)
Hello,
I have a file ff.txt that looks as follows
*ABNA.txt
356
24
36
112
*AC24.txt
457
458
321
2
ABNA.txt and AC24.txt are the files in the folder named foo1. Based on the numbers in the ff.txt file, I want to extract the lines from the corresponding files in the foo1 folder and... (2 Replies)
Dear All,
I have to solve the following problems with multiple tab-separated text file but I don't know how. Any help would be greatly appreciated. I have access to Linux mint (but not as a professional).
I have multiple tab-delimited files with the following structure:
file1:
1 44
2 ... (5 Replies)
I've a file like this
{multi line
.......
.......
pattern}
{
some other stuff
.........
}
{multi line
.......
.......
pattern}
{
some other stuff
.........
}
and so on (2 Replies)
Discussion started by: aamir_raihan
2 Replies
LEARN ABOUT REDHAT
mac2unix
dos2unix(1) General Commands Manual dos2unix(1)NAME
dos2unix - DOS/MAC to UNIX text file format converter
SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...]
Options:
[-hkqV] [--help] [--keepdate] [--quiet] [--version]
DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format.
OPTIONS
The following options are available:
-h --help
Print online help.
-k --keepdate
Keep the date stamp of output file same as input file.
-q --quiet
Quiet mode. Suppress all warning and messages.
-V --version
Prints version information.
-c --convmode convmode
Sets conversion mode. Simulates dos2unix under SunOS.
-o --oldfile file ...
Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.
-n --newfile infile outfile ...
New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be
used or you WILL lost your files.
EXAMPLES
Get input from stdin and write output to stdout.
dos2unix
Convert and replace a.txt. Convert and replace b.txt.
dos2unix a.txt b.txt
dos2unix -o a.txt b.txt
Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix
ascii format.
dos2unix a.txt -c iso b.txt
dos2unix -c ascii a.txt -c iso b.txt
dos2unix -c mac a.txt b.txt
Convert and replace a.txt while keeping original date stamp.
dos2unix -k a.txt
dos2unix -k -o a.txt
Convert a.txt and write to e.txt.
dos2unix -n a.txt e.txt
Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.
dos2unix -k -n a.txt e.txt
Convert and replace a.txt. Convert b.txt and write to e.txt.
dos2unix a.txt -n b.txt e.txt
dos2unix -o a.txt -n b.txt e.txt
Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt.
dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt
DIAGNOSTICS BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me.
AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au>
Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org>
MISCELLANY
Tested environment:
Linux 1.2.0 with GNU C 2.5.8
SunOS 4.1.3 with GNU C 2.6.3
MS-DOS 6.20 with Borland C++ 4.02
Suggestions and bug reports are welcome.
SEE ALSO unix2dos(1)mac2unix(1)1995.03.31 dos2unix v3.0 dos2unix(1)