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Shell Programming and Scripting
Question to gurus about sed.
Post 302833389 by vidyadhar85 on Wednesday 17th of July 2013 04:23:36 AM
07-17-2013
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9 More Discussions You Might Find Interesting
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I am having a problem here. We are having several problems in regards to hung process's on unix (HPUX box), caused by my RF equipment (Mobile data capture units). these contact the host via a simply telnet session and locks the system?
Is it a timeout problem as the timeout is disabled on the host. (5 Replies)
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I wish to substituite a string on each line but ONLY if it appears within double-quotes:
this_string="abc#def#geh" # Comment here
I wish to change the "#" characters within the double quoted string to "_":
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... but as you see, the "comment" hash... (2 Replies)
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3. Shell Programming and Scripting
Hey guys im trying to get this if statement to work and i dont know whats wrong. can anybody help?
if($author=~/\A+\Z/i)&&(length($author!=0))
{
print " $author validation correct"
}
elsif($author!=~/\A+\Z/i)&&(length($author=0))
{
$author='BLANK';
}
else
{
... (1 Reply)
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4. Shell Programming and Scripting
Suppose I have two files 1.txt and 2.txt.
My aim is to find (Total execution time/Number of executions)
then sort the result as in decreasing order.
Can anyone provide me any shell/perl/awk script or a Command to do that in faster way ?
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===============================
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5. Shell Programming and Scripting
I have created a dummy file -demo.txt
On my machine-A (oslevel-5300-08) I can display the file content in HEX format through VI editor using :%!xxd but on other machine-B (oslevel - 5300-06) , I get error as "sh: xxd: not found."
machine-A:
$ cat demo.txt
Hello World !
I can display... (7 Replies)
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6. Shell Programming and Scripting
guys,
I need a steer in the right direction for this issue. it would be great if anyone of you can help me out.
i have a textfile where i want to swap the lines based on the user input.
The textfile is looks like the
#file 1 name
TB
#file 1 ID
1000
#
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7. Shell Programming and Scripting
hi there
I have a view which is working fine, but i have been told that i need to make sure the resulting output excludes all rows with nic_status equal to the string "removed".
Does anybody know in which part of the code below i would place the conditional ...
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Hi all, I just signed up to the forums, although, I have lurked on here for awhile. Anyways, my issue is I am trying to get awk to spit out something I can use without having to spend hours in excel hell haha. So, I used sed to replace the spaces with semicolons and redirected that to a file. ... (6 Replies)
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Hi.,
I need to ask question for expect script.
I have prompt like #
and very long script (orachk).
I added to expect script line
set prompt "(%|#|\\\$) $"
and insert into it also piece of code
----
expect {
timeout {
puts "Running..."
exp_continue
}
... (0 Replies)
Discussion started by: beckss
0 Replies
LEARN ABOUT LINUX
tac
TAC(1) User Commands TAC(1) NAME
tac - concatenate and print files in reverse SYNOPSIS
tac [OPTION]... [FILE]... DESCRIPTION
Write each FILE to standard output, last line first. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --before attach the separator before instead of after -r, --regex interpret the separator as a regular expression -s, --separator=STRING use STRING as the separator instead of newline --help display this help and exit --version output version information and exit AUTHOR
Written by Jay Lepreau and David MacKenzie. REPORTING BUGS
Report tac bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> Report tac translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2010 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
rev(1). The full documentation for tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the command info coreutils 'tac invocation' should give you access to the complete manual. GNU coreutils 8.5 February 2011 TAC(1)