Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: cat and output filename
Top Forums Shell Programming and Scripting cat and output filename Post 302364371 by fubaya on Friday 23rd of October 2009 12:14:52 AM
Old 10-23-2009
Another pure shell solution
Code:
while read line; do echo "file1:$line"; done < file1

If you want to do it to multiple files, put it in a script and replace "file1" with "$1"
Code:
#! /bin/sh
while read line; do echo "$1:$line"; done < $1

and run with:
script.sh file1
script.sh file2
etc
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

unix cat gives no output

hi, i searched the forum, but found no thread relate to this; so sorry if it's duplicated. I'm using unix cat command but it gives no output. I check permission, owner and group; all of which are OK. I could do less and vi. any suggestions? thanks, (2 Replies)
Discussion started by: notvwatcher
2 Replies

2. Shell Programming and Scripting

cat file and parse output

Hello, I'm new to shell scripting and did a search on the forum to what I want to do but couldn't find anything. I have about 9 routers that outputs to 1 syslog file daily named cisco.year.mo.date.log ex: cisco.2009.05.11.log My goal is to make a parsing script that cats today's syslog... (2 Replies)
Discussion started by: jjrambar
2 Replies

3. UNIX for Dummies Questions & Answers

cat files from subdirectories output using same filename

Hi, I need to concatenate data files with a .mp extension that are stored in directories by year. I want to keep the same filename as an output for example: for the file name p030.mp, which resides in the following subdirectories: /2000/p030.mp /2001/p030.mp /2002/p030.mp I want to:... (4 Replies)
Discussion started by: cmshreve
4 Replies

4. UNIX for Advanced & Expert Users

inconsistent cat output

Hi I'm executing a menu script in which I `cat a file` but it's giving different output some times. Following is the code fragment taken from my script. while true do cat procs.configured echo ---------separator-------------- sleep 3 done when I execute this code fragment, `cat` outputs... (2 Replies)
Discussion started by: axes
2 Replies

5. Shell Programming and Scripting

Cat piped output

Hello, How can I efficiently cat piped output with another file? > (awk command) | cat file1 (piped output) Thanks! (11 Replies)
Discussion started by: palex
11 Replies

6. Shell Programming and Scripting

Recursively cat files in a directory with filename printed first.

I want to recursively cat the content of files in a directory e.g. find /etc -type f -exec cat {} \; But I want it to print the file name first and then the content. For example let's say /etc/statetab and /etc/colord.conf will be printed first then I want the output to look something like; ... (6 Replies)
Discussion started by: lewk
6 Replies

7. Shell Programming and Scripting

Cat writing only one record in the output file

Hi All, I have an input file containing data as below: Input.DAT XXXXXXX|YYYYYYY|ZZZZZZZZZZ|12334446456|B|YY|111111111|111111111|111111111|111111111|15|3|NNNNNN|Y|3|AAA|111111111... (11 Replies)
Discussion started by: sagar.cumar
11 Replies

8. Shell Programming and Scripting

Getting output from a file similar to cat output

I have a file # cat /root/llll 11 22 33 44 When I cat this file content to a variable inside a shell script and echo that shell script, it does not show up as separate lines. I need echo output similar to cat. cat /root/shell_script.sh #!/bin/bash var=`cat /root/llll` echo $var (2 Replies)
Discussion started by: anil510
2 Replies

9. Shell Programming and Scripting

Cat files listed in text file and redirect to new directory with same filename

I have a directory that is restricted and I cannot just copy the files need, but I can cat them and redirect them to a new directory. The files all have the date listed in them. If I perform a long listing and grep for the date (150620) I can redirect that output to a text file. Now I need to... (5 Replies)
Discussion started by: trigger467
5 Replies

10. UNIX for Dummies Questions & Answers

Find all files containing string not following symlinks CAT (modified) output content to /filename

This should recursively walk through all dirictories and search for a specified string in all present files, if found output manicured content (eg some regex) with CAT into a specified directory (eg /tmp/) one by one, keeping the original names This is what I have so far, which seems to... (1 Reply)
Discussion started by: lowmaster
1 Replies

LEARN ABOUT CENTOS

cat

CAT(1)								   User Commands							    CAT(1)

NAME

       cat - concatenate files and print on the standard output

SYNOPSIS

       cat [OPTION]... [FILE]...

DESCRIPTION

       Concatenate FILE(s), or standard input, to standard output.

       -A, --show-all
	      equivalent to -vET

       -b, --number-nonblank
	      number nonempty output lines, overrides -n

       -e     equivalent to -vE

       -E, --show-ends
	      display $ at end of each line

       -n, --number
	      number all output lines

       -s, --squeeze-blank
	      suppress repeated empty output lines

       -t     equivalent to -vT

       -T, --show-tabs
	      display TAB characters as ^I

       -u     (ignored)

       -v, --show-nonprinting
	      use ^ and M- notation, except for LFD and TAB

       --help display this help and exit

       --version
	      output version information and exit

       With no FILE, or when FILE is -, read standard input.

EXAMPLES

       cat f - g
	      Output f's contents, then standard input, then g's contents.

       cat    Copy standard input to standard output.

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cat translation bugs to <http://translationproject.org/team/>

AUTHOR

       Written by Torbjorn Granlund and Richard M. Stallman.

COPYRIGHT

       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       tac(1)

       The  full  documentation  for cat is maintained as a Texinfo manual.  If the info and cat programs are properly installed at your site, the
       command

	      info coreutils 'cat invocation'

       should give you access to the complete manual.

GNU coreutils 8.22						     June 2014								    CAT(1)
All times are GMT -4. The time now is 06:13 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy