Anyone know how I will use awk's variable in a regular expression?
This line of code of mine is working, the value PREMS should be a variable:
awk '$1 ~ /PREMS/ { if(length(appldata)+2 >= length($1)) print $0; }' appldata=$APPLDATA /tmp/file.tmp
The value of APPLDATA variable is PREMS.
... (2 Replies)
Hi,
I have this script:
awk -v va=45 '$0~va{print}' flo2
That returns: "4526745 1234 " (this is the only line of the file "flo2".
However, I would like to get "va" to match the begining of the line, so that is "va" is different than 45 (eg. 67, 12 ...) I would not have any output. That... (3 Replies)
I want to block all special characters except alphanumerics.. and "."(dot ) character
currently am using //
I want to even block only single dot or multiple dots..
ex:
. or .............. should be blocked.
please provide me the reg ex.
---------- Post updated at 05:11 AM... (10 Replies)
I have a large file encoded in Unicode that I need to convert to CSV. In general, I know how to do this by regular expression substitutions using sed or Perl, but one problem I am having is that I need to put a quotation mark at the end of each line to protect the last field. The usual regex... (1 Reply)
Hi ,
I have a file with "|" (pipe) as a delimeter. I am looking for the record count where 5th field is a number with 15 digit length only.
all the records with above requirement is valid rest all are invalid. I need count of valid records and invalid records.
Can anyone please help (9 Replies)
Hi All,
Below is a sample code:
print "Enter the Name: ";
my $Name = <>;
print "Word is $Name";
open (FH,"AIDNameList.txt");
while (<FH>)
{
my $line;
print "Word is $Name";
for $line(<FH>)... (12 Replies)
Hello,
Awk seem treat the pattern as regular expression, how can awk search not using regular expression? e.g. just represent for "", not "A" or "a" . I don't want to add backslash . (2 Replies)
Hi,
Server - MEDIAWIKI - MYSQL - CENTOS 5 - PHP5
I have a database import of close to a million pages into my wiki, mediawiki site,
the format that were left with is not pretty, and I need to find a way to clean this up and present it nicely...
I think regex is the best option as I can... (1 Reply)
I am trying to test if I can replace a regular expression in 'nawk' with a variable.
Please let me know why it is not working. I am using ksh88i on solaris8
I am trying use this test as a building block to filter active external DNS connections.
Ideally I want to pass variable defined... (4 Replies)
Hi All,
I would like to search a regular expression by passing as an i/p variableto AWK.
For Example ::
162.111.101.209.9516
162.111.101.209.41891
162.111.101.209.9516
162.111.101.209.9517
162.111.101.209.41918
162.111.101.209.9517
162.111.101.209.41937
162.111.101.209.41951... (7 Replies)
Discussion started by: Girish19
7 Replies
LEARN ABOUT REDHAT
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)