Sponsored Content
Top Forums Shell Programming and Scripting How to use shell command in awk ? Post 302292647 by Franklin52 on Sunday 1st of March 2009 06:14:23 AM
Old 03-01-2009
Possibilities:

Code:
awk 'BEGIN{"date" | getline d; print d; close("date")}
{# Other commands....}
' file

Or:

Code:
awk -v d="$(date)" 'BEGIN{print d}
{# Other commands....}
' file

Or:

Code:
awk 'BEGIN{system("date")}
{# Other commands....}
' file

Regards
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk command not working from the shell script

Hi, When i run the below command i am able to get the output. awk '/BEGIN DSSUBRECORD/{c=3;next}c-->0' abc.txt | awk '/END DSSUBRECORD/{exit}{print}' | awk '/Owner/{exit}{print}' | awk '{n2=n1;n1=n;n=$0;if(NR%3==0){printf"%s,%s,%s\n",n2,n1,n}}' Output: Name "file_name", ... (5 Replies)
Discussion started by: onesuri
5 Replies

2. Shell Programming and Scripting

shell command in AWK

Hi experts, Sorry if it sounds basic question. I am trying to delete all folders except a particular and I have written the following. But its not deleting the folder. Could you tell me whats wrong? folders are: 1 2 3 4 5 6 ls -l | awk '{ if ($9 != 4) {system(/bin/rmdir $9);print... (5 Replies)
Discussion started by: amitrajvarma
5 Replies

3. Shell Programming and Scripting

awk command in script gives error while same awk command at prompt runs fine: Why?

Hello all, Here is what my bash script does: sums number columns, saves the tot in new column, outputs if tot >= threshold val: > cat getnon0file.sh #!/bin/bash this="getnon0file.sh" USAGE=$this" InFile="xyz.38" Min="0.05" # awk '{sum=0; for(n=2; n<=NF; n++){sum+=$n};... (4 Replies)
Discussion started by: catalys
4 Replies

4. UNIX for Dummies Questions & Answers

Passing Shell Variables to an awk command

Hello, I have two files File1 & File2. File1 76 135 136 200 250 345 .... File2 1 24 1 35 1 36 1 72 .... I want to get all the values form File2 corresponding to the range in File 1 and feed it to a program. Is the code below right? Can I pass shell variables to awk in this... (2 Replies)
Discussion started by: Gussifinknottle
2 Replies

5. Shell Programming and Scripting

use shell variable in awk command

Trying to do something like this ls -lrt | awk '$9=="test5"' -rw-r--r-- 1 lrmq db2iadm1 381 Sep 20 21:56 test5 But now, I need to give a variable in place of test5. For example let's define x as test5 x=test5 ls -lrt | awk '$9=="$x"' This doesn't seem to be working. It doesn't take the... (4 Replies)
Discussion started by: blazer789
4 Replies

6. Shell Programming and Scripting

Shell script with awk command for counting in a file

Hi, I hope you can help me with the awk command in shell scripting. I want to do the following, but it doesn't work. for i in $REF1 $REF2 $REF3; do awk '{if($n>=0 && $n<=50000){count+=1}} END{print count}' ${DIR}${i} >${DIR}${i}_count.txt done REF1 to REF3 are only variables for .txt... (1 Reply)
Discussion started by: y.g.
1 Replies

7. Shell Programming and Scripting

If else condition inside for loop of awk command in UNIX shell scripting

Hi , Please excuse me for opening a new thread i am unable to find out the syntax error in my if else condition inside for loop in awk command , my actual aim is to print formatted html td tag when if condition (True) having string as "failed", could anyone please advise what is the right... (2 Replies)
Discussion started by: karthikram
2 Replies

8. Shell Programming and Scripting

Unable to pass shell script variable to awk command in same shell script

I have a shell script (.sh) and I want to pass a parameter value to the awk command but I am getting exception, please assist. diff=$1$2.diff id=$2 new=new_$diff echo "My id is $1" echo "I want to sync for user account $id" ##awk command I am using is as below cat $diff | awk... (2 Replies)
Discussion started by: Ashunayak
2 Replies

9. Shell Programming and Scripting

awk command not getting executed in shell script

I am able to execute awk command from shell prompt. but the same command is not getting executed when written and run in a bash script the command from bash cmd prompt. awk '/world/{for (i=2; i<NF; i++) printf $i " "; print $NF}1' myfile >tmp$$ ; mv tmp$$ myfile file: # hello world my... (4 Replies)
Discussion started by: ashima jain
4 Replies

10. Shell Programming and Scripting

Shell Script with following awk command pls help

Hi I want to create a shell script with the following awk command & also get the filenames in output. awk '/<catetcsecuretty0>/ {p=1} /<catvarlogmessages0>/ {p=0} p' *.xml As there will be multiple outputs related to many xml files I cannot identify which output belongs to which file ... (5 Replies)
Discussion started by: sharp488
5 Replies
DATE(1) 						      General Commands Manual							   DATE(1)

NAME
date - print or set the date and time SYNOPSIS
date [-qsu] [[MMDDYY]hhmm[ss]] [+format] OPTIONS
-q Read the date from stdin -s Set the time (implicit for -q or a date string) -u Print the date as GMT -t Use this number of seconds instead of current time EXAMPLES
date # Print the date and time date 0221921610 # Set date to Feb 21, 1992 at 4:10 p.m. DESCRIPTION
With the -q flag or a numeric argument, date sets the GMT time and date. MMDDYY refers to the month, day, and year; hhmmss refers to the hour, minute and second. Each of the six fields must be exactly two digits, no more and no less. date always display the date and time, with the default format for the system. The -u flag request GMT time instead of local time. A format may be specified with a + followed by a printf-like string with the following options: %% % character %A Name of the day %B Name of the month %D mm/dd/yy %H Decimal hour on 2 digits %I Decimal hour modulo 12 on 2 digits %M Decimal minute on 2 digits %S Decimal seconds on 2 digits %T HH:MM:SS %U Decimal week number, Sunday being first day of week %W Decimal week number, Monday being first day of week %X Same as %T %Y Decimal year on 4 digits %Z Time Zone (if any) %a Abbreviated name of the day %b Abbreviated name of the month %c Appropriate date & time (default format) %d Decimal day of the month on 2 digits %e Same as %d, but a space replaces leading 0 %h Same as %b %j Decimal dey of the year on 3 digits %m Decimal month on 2 digits %n Newline character %p AM or PM %r 12-hour clock time with AM/PM %s Number of seconds since the epoch %t Tab character %w Decimal day of the week (0=Sunday) %x Same as %D %y Decimal year on 2 digits SEE ALSO
time(2), ctime(3), readclock(8). DATE(1)
All times are GMT -4. The time now is 09:11 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy