Hi, experts,
I would like to create a function that can calculate the total number of lines in a saved text file and delete specific lines in that particular file (I only want the last few lines). Hav anybody have the experience and giv me a hand in this? (9 Replies)
Hi all.
I have a database log file in which log data get appended to it daily. I want to do a automatic maintainence of this log by going through the log and deleting lines belonging to a certain date.
How should i do it? Please help. Thanks.
Example. To delete all lines prior to Jun... (4 Replies)
Hi,
I have a file ( all_users.ldif ) of the following format:
cn=orcladmin, cn=Users, dc=maximus,dc=com
cn=PUBLIC, cn=Users, dc=maximus,dc=com
cn=portal,cn=users,dc=maximus,dc=com
cn=portal_admin,cn=users,dc=maximus,dc=com
cn=uddi_publisher,cn=Users,dc=maximus,dc=com... (4 Replies)
Hi,
I have one file, say file 1, that has data like below where 19900107 is the date,
19900107 12 144 129 0.7380047
19900108 12 168 129 0.3149017
19900109 12 192 129 3.2766666E-02
... (3 Replies)
Hi Unix gurus,
I am trying to remove the filenames based on MMDDYYYY in the physical name as such so that the directory always has the recent 3 files based on MMDDYYYY. "HHMM" is just dummy in this case. You wont have two files with different HHMM on the same day.
For example in a... (4 Replies)
Hello,
:wall:
I have a 12 column csv file. I wish to delete the entire line if column 7 = hello and column 12 = goodbye. I have tried everything that I can find in all of my ref books.
I know this does not work
/^*,*,*,*,*,*,"hello",*,*,*,*,"goodbye"/d
Any ideas?
Thanks
Please... (2 Replies)
Dear everyone,
I have a file with 900 lines (there is only numbers in one line, no string),
I only need the lines 2+3n (n=0,1...296), i.e line 2, 5, 8, 11...888.
I tried google but only the results such as how to delete all the odd lines or all the even lines with 'awk' command.
Thanks in... (4 Replies)
I want to keep last 2 days data from a file and want to delete others data from the file. Please help me.
Sample Input
# cat messages-2
Apr 15 11:25:03 test1 kernel: imklog 4.6.2, log source = /proc/kmsg started.
Apr 15 11:25:03 test1 rsyslogd: (re)start
Apr 16 19:42:03 test1 kernel:... (2 Replies)
I have a folder containing text files. I need to extract specific lines from the files of this folder based on another file input.txt. How can I do this with awk/sed?
file1
ARG 81.9 8 81.9 0
LEU 27.1 9 27.1 0
PHE .0 10 .0 0
ASP 59.8 11 59.8 0
ASN 27.6 12 27.6 0
ALA .0 13 .0 0... (5 Replies)
Discussion started by: alanmathew84
5 Replies
LEARN ABOUT CENTOS
igawk
IGAWK(1) Utility Commands IGAWK(1)NAME
igawk - gawk with include files
SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ...
igawk [ all gawk options ] [ -- ] program-text file ...
DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).
AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like
@include getopt.awk
in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.
OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports.
EXAMPLES
cat << EOF > test.awk
@include getopt.awk
BEGIN {
while (getopt(ARGC, ARGV, "am:q") != -1)
...
}
EOF
igawk -f test.awk
SEE ALSO gawk(1)
Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.
AUTHOR
Arnold Robbins (arnold@skeeve.com).
Free Software Foundation Nov 3 1999 IGAWK(1)