printing a line of a file Post: 587

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

printing an empty line in a file (perl)

I know this must be really easy, but i can't get it to work I've got a perl script, with a file. I want to print an empty line, and the following doesn't seem to work: print nameoffile "\n" thanks for your help!!

2. UNIX for Dummies Questions & Answers

Printing a Line from a file

I have a log file with several lines as follows: Aug 30 06:35:08 trnwvltfit1 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but responded to ping I am using the date of the line to determine which lines to print. However, I am only trying to print the parts of the line that are NOT...

3. Shell Programming and Scripting

Re-write first line of a file before printing

Morning All, Quite a simple one this, I hope. What I want to do is to re-write the first line of a file before it's sent to print. The line will be blank initially, and I want to insert some text. The operation can either be done on the file itself (modifying the file on disk), OR in a...

4. UNIX for Advanced & Expert Users

printing specific line from a file.

The below line gives the perfect output when I mention the record number and file name as hardcoded. awk 'NR==3{print}' samp2.txt But when I pass the record num and file name as variable, it doesn't give any output. row_num=3;file2=samp2.txt;awk 'NR==$row_num {print}' $file2 Can you...

5. Shell Programming and Scripting

printing each line in a file X times

This is probably simple but I would like to print every line in a file 5 times like this: awk 'NR' mens_csv.tab Dub Tank 53%Hemp/42%Cotton/5%Lycra Jersey Dark Green 0 $22.50 Dub Tank 53%Hemp/42%Cotton/5%Lycra Jersey Indigo Blue 0 $22.50 --------------- Dub...

6. Shell Programming and Scripting

Printing a particular line to a file

Hi, I have a file in which the entries are of the following type: 5649 S 1 0412 S 0 0423 S 1 0020 N 0 0020 N 0 1022 S 1 1022 S 1 I need to print the whole line which is having 0 in the third column into a different file Thanks...

7. UNIX and Linux Applications

Printing a line in a file

Hi I have a file having multiple lines. I want to print a particular line. How can I do this? Thanks in advance Ananth

8. Homework & Coursework Questions

Lex: analyzing a C file and printing out identifiers and line numbers they're found on

Florida State University, Tallahassee, FL USA, Dr. Whalley, COP4342 1. The problem statement, all variables and given/known data: Create a lex specification file that reads a C source program that ignores keywords and collects all identifiers (regular variable names) and also displays the line...

9. Shell Programming and Scripting

Awk: Comparing arguments with in line values of file and printing the result

I need to develop a script where I will take two date arguments as parameter date1 and date2 which will in format YYYYMM. Below is the input file say sample.txt. sample.txt will have certain blocks starting with P1. Each block will have a value 118,1:TIMESTAMP. I need to compare the...

10. Shell Programming and Scripting

Printing string from last field of the nth line of file to start (or end) of each line (awk I think)

My file (the output of an experiment) starts off looking like this, _____________________________________________________________ Subjects incorporated to date: 001 Data file started on machine PKSHS260-05CP ********************************************************************** Subject 1,...

LEARN ABOUT REDHAT

dos2unix

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)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

printing an empty line in a file (perl)

Discussion started by: kfad

2. UNIX for Dummies Questions & Answers

Printing a Line from a file

Discussion started by: Nysif Steve

3. Shell Programming and Scripting

Re-write first line of a file before printing

Discussion started by: alexop

4. UNIX for Advanced & Expert Users

printing specific line from a file.

Discussion started by: siba.s.nayak