Sponsored Content
Top Forums Shell Programming and Scripting NEW: need help with nawk using -v vars Post 302189476 by era on Saturday 26th of April 2008 02:45:57 AM
Old 04-26-2008
Perhaps now would be a good time then to revisit the issue related to the Useless Use of Cat Award.

cat file | awk is an antipattern; the cat does not add any benefit, and costs you a process. It's better style to simply say awk file
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

need help with nawk using -v vars

I'm trying to pass nawk a shell variable to be used in a pattern match. I can't get this work. I'm calling nawk from a /bin/sh echo " Input file: \c" read var1 echo " Input: \c" read var2 nawk -F"|" -v x=$1 ' BEGIN $15 ~ /^'$var2'/ {print $2}' var1 {apary=$15; bparty=$23; time=$4;... (3 Replies)
Discussion started by: amon
3 Replies

2. Shell Programming and Scripting

Env vars in a SED script

Hello, <Preamble> I'm writing an installation script for use with PKGADD. What I want to do is take one of the variables set in the REQUEST script and use that in the install script so I can change applications configuration. My install script is as follows: sed ' /^DIRNAME/ i\... (8 Replies)
Discussion started by: Bags
8 Replies

3. Shell Programming and Scripting

Passing Vars between scripts

Im running a script that runs scripts within it self and i need to pass vars made in the original script to scripts run within it and the only way i can think to do it is right the string to a file and read the file in the script (4 Replies)
Discussion started by: rcunn87
4 Replies

4. Shell Programming and Scripting

how to access values of awk/nawk variables outside the awk/nawk block?

i'm new to shell scripting and have a problem please help me in the script i have a nawk block which has a variable count nawk{ . . . count=count+1 print count } now i want to access the value of the count variable outside the awk block,like.. s=`expr count / m` (m is... (5 Replies)
Discussion started by: saniya
5 Replies

5. Shell Programming and Scripting

check a list of vars

I have about 20 different variables that I need to check for null values then replace with a specific string if they are null. I've been doing this via 20 different if then statements like this: if ; then WIND="UUU" fi Is there a more elegant way to do this? The vars aren't sequential in... (6 Replies)
Discussion started by: audiophile
6 Replies

6. Shell Programming and Scripting

getting vars from external files

Hi I have an issue, I want to get variables from an external file. Variable file var1=test var2-test2 I want to get these vars from another shell script. Does any one know how? (5 Replies)
Discussion started by: digitalviking
5 Replies

7. Shell Programming and Scripting

List of Shell Env Vars

Hia, echo ${!S*} gives me all those env vars starting with S like SHELL SECONDS SHELLOPTS SHLVL etc. is there any way to deflate the shell variables' range like echo ${!A-E*} OR echo ${!A..S*} to list all env vars starting within range of A till E. Thanks Regards, Nasir (1 Reply)
Discussion started by: busyboy
1 Replies

8. Shell Programming and Scripting

Nawk Problem - nawk out of space in tostring on

Hi.. i am running nawk scripts on solaris system to get records of file1 not in file2 and find duplicate records in a while with the following scripts -compare nawk 'NR==FNR{a++;next;} !a {print"line"FNR $0}' file1 file2duplicate - nawk '{a++}END{for(i in a){if(a-1)print i,a}}' file1in the middle... (12 Replies)
Discussion started by: Abhiraj Singh
12 Replies

9. Shell Programming and Scripting

Read vars iteratively

Hello, I have a tab delimited list of 311 server & account names which I want to read those 2 variables and then connect to each server and get info on that particular job account. I've tried the following: while read server acct; do printf "********$server\t $acct***********\n" ... (3 Replies)
Discussion started by: mcbobolink
3 Replies
URLCODING(3)						 libbash urlcoding Library Manual					      URLCODING(3)

NAME
urlcoding -- a Libbash library for encoding and decoding URL's. SYNOPSIS
urlEncodeString [-l] <STRING> urlEncodeFile [-l] <FILE> urlEncodeStream [-l] urlDecodeString <STRING> urlDecodeFile <FILENAME> urlDecodeStream DESCRIPTION
urlcoding is a collection of functions that convert ASCII-text to standard URL's and vice-versa. The AWK code used is based on code by Heiner Steven <heiner.steven@odn.de> The function list: urlEncodeString Creates a URL from an ASCII string urlEncodeFile Converts a file into URL-valid text urlEncodeStream Converts standard input into URL-valid text urlDecodeString Converts a URL-encoded text back to a plain-text form urlDecodeFile Coverts URL-encoded text in a file back to plain text urlDecodeStream Converts URL-encoded standard input to text Detailed interface description follows. The [-l] option for the encoding functions should be used when line-feed characters (' ') are to be encoded as well. All functions print the results of their conversions to standard output. The exit status of all functions is that of the command 'awk', with '0' for success FUNCTIONS DESCRIPTIONS
urlEncodeString [-l] <STRING> Converts STRING - a string of ASCII characters - to URL. urlEncodeFile [-l] <FILE> Coverts FILE of URL-encoded text to plain text urlEncodeStream [-l] Converts text from standard input to URL-text. urlDecodeString <STRING> Converts URL-encoded string STRING back to text. urlDecodeFile <FILENAME> Converts the URL-encoded text in FILE to plain text. urlDecodeStream Converts the URL-encoded text from standard input to plain-text AUTHORS
Alon Keren <alon.keren@gmail.com> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
All times are GMT -4. The time now is 07:10 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy