Hi,
I'm having some trouble reading a file that was 'cat' through a while loop. Can anyone suggest alternatives? what i do is
cat filename|grep *.stuff
while read line
do
echo $line
... and other commands
done
The cat,grep line seems to work correctly, but the script hangs when i add in... (3 Replies)
I am writing a script that is running a loop on one file to obtain records from another file.
Using egrep, I am finding matching records in file b, then outputing feilds of both into another file.
****************************
filea=this.txt
fileb=that.txt
cat $filea | while read line
do... (1 Reply)
Hi All
Can any body help me out.
Amoung tar and gzip whiich unix command is more practical with respect to space management and file restoration.
Eg if I use tar or gzip which will be more helpful to reduce the space and during the file restoration.
Please help me out.
regards... (3 Replies)
STEP 1
# Set variable
FILE=/tmp/mainfile
SEARCHFILE =/tmp/searchfile
# THIS IS THE MAIN FILE.
cat /tmp/mainfile
Interface Ethernet0/0 "outside", is up, line protocol is up
Hardware is i82546GB rev03, BW 100 Mbps
Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)
MAC address... (6 Replies)
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
Hopefully the title summarized what I need help with. I have multiple files that I would like to concatenate in bash.
ie:
cat file1 file2 file3 > bigfile
except I do not want to include the first line from each file (). Any help? Thanks. (6 Replies)
one.txt
ONS.820.log:V 20Oct2010:GP ^ ^
ONS.123.log:V 21Oct2010:GP ^ ^
ONS.820.log:V 30Oct2010:GP ^ ^
want to make new file from existing one with addition.
20Oct2010 User KV001 has name tk003 with buffer- 338-1
21Oct2010 User KV003 has name tk002 with buffer- 338-2
30Oct2010 User KV002... (5 Replies)
Hi all,
I need to create loop script to read full line and append a variable to each line.
cat file
I need the output like below
10.0.0.1,136 1 24 048800 id N4 No_Light
10.0.0.1,137 1 25 048900 id N4 No_Light
10.0.0.1,140 1 28 048c00 id N4 No_Light
10.0.0.1,262 1 38 048e80... (13 Replies)
hi Guys,
Am new to this awesome forum, and yea i need some help here asap thnx :)
i have a directory with over 34000 text files, i need a script that will delete the last line of each of this file without me necessary opening the files.
illustration:-
file1 200 records
file2 130 records... (5 Replies)
Discussion started by: eetang
5 Replies
LEARN ABOUT DEBIAN
consolehelper
CONSOLEHELPER(8) System Manager's Manual CONSOLEHELPER(8)NAME
consolehelper - A wrapper that helps console users run system programs
SYNOPSIS
progname [ options ]
DESCRIPTION
consolehelper is a tool that makes it easy for console users to run system programs, doing authentication via PAM (which can be set up to
trust all console users or to ask for a password at the system administrator's discretion). When possible, the authentication is done
graphically; otherwise, it is done within the text console from which consolehelper was started.
It is intended to be completely transparent. This means that the user will never run the consolehelper program directly. Instead, pro-
grams like /sbin/shutdown are paired with a link from /usr/bin/shutdown to /usr/bin/consolehelper. Then when non-root users (specifically,
users without /sbin in their path, or /sbin after /usr/bin) call the "shutdown" program, consolehelper will be invoked to authenticate the
action and then invoke /sbin/shutdown. (consolehelper itself has no priviledges; it calls the userhelper(8) program do the real work.)
consolehelper requires that a PAM configuration for every managed program exist. So to make /sbin/foo or /usr/sbin/foo managed, you need
to create a link from /usr/bin/foo to /usr/bin/consolehelper and create the file /etc/pam.d/foo, normally using the pam_console(8) PAM mod-
ule.
OPTIONS
This program has no command line options of its own; it passes all command line options on to the program it is calling.
SEE ALSO userhelper(8)AUTHOR
Michael K. Johnson <johnsonm@redhat.com>
Red Hat Software 18 March 1999 CONSOLEHELPER(8)