Variable regular expresion in awk. Post: 302087163

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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. ...

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Hi, I am getting a string in the file, I want to parse the srting and extract the percentage from the string. Sample string are - ASAD112_sd12.34%adnmfk ASAsds_1.34%adnmfk ASAdf 2 sd12.34%adnmfk ASAD112_sd 12.34% adnmfk ASAD112_sd12.34% adnmfk I want to extract the numeric value...

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I'm trying to use a series of regular expressions as variables but can't get it to behave properly. You can see below what I'm trying to do. Here with lowercase a-z and the same with uppercase, numbers 0-9 and again with a set of special characters, without having to type out every single...

LEARN ABOUT DEBIAN

cvm-sql

cvm-sql(7)						 Miscellaneous Information Manual						cvm-sql(7)

NAME

       cvm-sql - CVM SQL Framework

QUERY SUBSTITUTION

       $VAR  and  ${VAR} are replaced with the quoted value of the environment variable named VAR.  Use the second form when VAR contains anything
       other than alpha-numeric or underscore (_) characters.  Do not include quotes in the query.  The variables account and domain  contain  the
       account and domain names given by the CVM client.  $$ is replaced with a single dollar sign.

QUERY RESULTS

       The query must produce the following fields exactly in order.  All required fields must not be null or empty.

       1.     Password, encrypted with crypt(3) (required)

       2.     Actual account name (required)

       3.     User ID (integer) (required)

       4.     Group ID (integer) (required)

       5.     Directory (required)

       6.     Real name (optional)

       7.     Login shell (optional)

       8.     Group name (optional)

       9.     Domain name (optional)

       10.    System account name (optional)

       11.    System account directory (optional)

       12.    Mailbox path (optional)

DEFAULT QUERY

       SELECT  password, username, userid, groupid, directory, realname, shell, groupname, domain, sys_username, sys_directory FROM accounts WHERE
       username=$account AND domain=$domain

SEE ALSO

       cvm-mysql(8), cvm-pgsql(8), cvm-pwfile(8), cvm-qmail(8), cvm-unix(8), cvm-vmailmgr(8), cvm-benchclient(8), cvm-checkpassword(8),  cvm-test-
       client(8)

	http://untroubled.org/cvm/cvm.html

																	cvm-sql(7)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

regular expresion question

Discussion started by: gillbates

2. Shell Programming and Scripting

Awk's variable in regular expression

Discussion started by: Orbix

3. Shell Programming and Scripting

help in if expresion

Discussion started by: justbow

4. Shell Programming and Scripting

AWK - compare $0 to regular expression + variable

Discussion started by: jolecanard