02-02-2009
9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
im having trouble doing this:
i have a variable with 2 characters repeating e.g. aababbbaaaababaabbaabbba
is there a way i can search the variable for a's and b's and then change a's to b's and b's to a's?
im guessing its like getting the 1's compliment of the string
im doing this in... (2 Replies)
Discussion started by: vipervenom25
2 Replies
2. Shell Programming and Scripting
Hi,
I want, if a line is more than 80 characters length then put a new line with 4 space after each 80 characters to indent the data at same position.
Input:
200 Geoid and gravity anomaly data of conjugate regions of Bay of Bengal and Enderby Basin: New constraints on breakup and early... (3 Replies)
Discussion started by: srsahu75
3 Replies
3. Shell Programming and Scripting
Can someone help me to write a script / command to read in a file, character by character, replace any unknown ASCII characters with space. then write out the file to a new filename/
Thanks! (1 Reply)
Discussion started by: raghav525
1 Replies
4. Shell Programming and Scripting
Hi All,
I have a big log file i want to delete all characters (between 350th to 450th characters) starting at 350th character position to 450th character position.
please advice or sample code. (6 Replies)
Discussion started by: rajeshorpu
6 Replies
5. Shell Programming and Scripting
I have a huge file and I want to select first 10 charcters and last 2 characters of everyline and than will filter the unique line.
I know, it must be easy bt I am new to unix scripting:)
Ex.
I have file as below and need to e3kbaird and last 2 characters. and than unique records.
... (3 Replies)
Discussion started by: Sanjeev Yadav
3 Replies
6. Shell Programming and Scripting
Hi Experts,
How to sepearate the list digit with letters : with a space from where the letters begins, or other words from where the digits ended.
file
52087mo(enbatl)
52049mo(enbatl)
52085mo(enbatl)
25051mo(enbatl)
The output should be looks like:
52087 mo(enbatl)
52049... (10 Replies)
Discussion started by: rveri
10 Replies
7. Shell Programming and Scripting
Hello,
I do have folders containing having funny strings in their names and one space.
First, I do remove the funny strings and replace the space by an underscore.
find . -name '* *' | while read file;
do
target=`echo "$file" | sed 's/... (2 Replies)
Discussion started by: tempestas
2 Replies
8. Shell Programming and Scripting
Hi,
I have a string wherein i need to replace special characters with backslash and that character.
Ex:
If my string is a=qwerty123@!,
then the new string should be a_new=qwerty123\@\!\,
Thanks (3 Replies)
Discussion started by: temp_user
3 Replies
9. Shell Programming and Scripting
Hi Gurus,
my current code like below:
nawk '{f1 = (NF>1)?$1:""}{print f1, $NF}'|sed -e 's/s(/,/g;s/)//g;s/ *,/,/'|nawk -F"," '{ab}END{for (i in b) if (!(i in a))print i}'
I have file like below. (this is autosys job dependencies)
the job with s() is dependencies, the job without s() is... (10 Replies)
Discussion started by: ken6503
10 Replies
LEARN ABOUT FREEBSD
preload
PRELOAD(8) System Administration Utilities PRELOAD(8)
NAME
preload - Adaptive readahead daemon
SYNOPSIS
preload [OPTION]...
DESCRIPTION
preload is an adaptive readahead daemon that prefetches files mapped by applications from the disk to reduce application startup time.
-h, --help
Display command line parameters and their default values, and exit.
-v, --version
Display version information and exit.
-c, --conffile
Set configuration file. Empty string means no conf file. (default is /etc/preload.conf)
-s, --statefile
Set state file to load/save. Empty string means no state. (default is /var/lib/preload/preload.state)
-l, --logfile
Set log file. Empty string means to log to stderr. (default is /var/log/preload.log)
-f, --foreground
Run in foreground, do not daemonize.
-n, --nice
Nice level. (default is 15)
-V, --verbose
Set the verbosity level. Levels 0 to 10 are recognized. (default is 4)
-d, --debug
Debug mode: --logfile '' --foreground --verbose 9
SIGNALS
On receipt of a SIGHUP, the daemon will close and reopen its log file, and reread the configuratoin file.
On receipt of a SIGUSR1, the daemon dumps the currently loaded configuration into the log file.
On receipt of a SIGUSR2, the daemon saves its state into the state file.
AUTHOR
Written by Behdad Esfahbod <behdad@gnu.org>
REPORTING BUGS
Report bugs to <http://preload.sf.net/bug>
COPYRIGHT
Copyright (C) 2005,2006,2007,2008 Behdad Esfahbod.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
preload 0.6.4 May 2012 PRELOAD(8)