12-02-2012
grep -v "^//" filename
easiest ...!!!
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Hi
Let say a flat file contains 1000 lines. The cursor is at the 530 line number.
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Hii,
Please suggest me how can i only remove the contents of the file without deleting it. (3 Replies)
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Hi,
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So, this issue is driving me nuts! I was hoping to get a lending hand here...
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this is example1
this is example2
this is example3
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example5
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5. Shell Programming and Scripting
I have a file, in which a single record spans across multiple lines,
File 1
====
14|\n
leave request \n
accepted|Yes|
15|\n
leave request not \n
acccepted|No|
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6. Shell Programming and Scripting
Good day all.
Using basic UNIX/Linux tools, how would you delete a line based on a character found in column 1?
For example, if the CITY name contains an 'a' or 'A', delete the line:
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7. Shell Programming and Scripting
for dir in BKP/*/
do
echo You are in :$dir
done
O/P
--
BKP/201448/
BKP/201449/
BKP/201450/
BKP/201451/
BKP/201452/
BKP/201501/
BKP/201502/
BKP/201503/
BKP/201504/
BKP/201505/
BKP/201506/
BKP/201507/ (3 Replies)
Discussion started by: rocking77
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9. Shell Programming and Scripting
hello Friend,
In hostgroup file, i have define lots of hostgroups. I need to remove few of them without manually editing file. Need script or syntax.
I want to search particular on hostgroup_members and delete hostgoup defination of it.
for example.
define hostgroup{
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LEARN ABOUT LINUX
bzegrep
BZGREP(1) General Commands Manual BZGREP(1)
NAME
bzgrep, bzfgrep, bzegrep - search possibly bzip2 compressed files for a regular expression
SYNOPSIS
bzgrep [ grep_options ] [ -e ] pattern filename...
bzegrep [ egrep_options ] [ -e ] pattern filename...
bzfgrep [ fgrep_options ] [ -e ] pattern filename...
DESCRIPTION
Bzgrep is used to invoke the grep on bzip2-compressed files. All options specified are passed directly to grep. If no file is specified,
then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to
grep.
If bzgrep is invoked as bzegrep or bzfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, bzgrep
uses it as the grep program to be invoked. For example:
for sh: GREP=fgrep bzgrep string files
for csh: (setenv GREP fgrep; bzgrep string files)
AUTHOR
Charles Levert (charles@comm.polymtl.ca). Adapted to bzip2 by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
SEE ALSO
grep(1), egrep(1), fgrep(1), bzdiff(1), bzmore(1), bzless(1), bzip2(1)
BZGREP(1)