Sponsored Content
Full Discussion: Translate grep to awk
Top Forums Shell Programming and Scripting Translate grep to awk Post 302752257 by Yoda on Sunday 6th of January 2013 01:14:35 PM
Old 01-06-2013
To make it return 0 intialize variable value to 0:
Code:
awk 'BEGIN{c=0}NR>=2&&NR<=10&&/error/&&!/memory/{c++}END{print c}' lfile

awk is glorified variant of grep. So yes it understands regex.
This User Gave Thanks to Yoda For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Can someone help translate this snippet?

Hello all - This snippet from a script runs on a Tru64 machine (ksh). if ps -ef | grep thing1 | grep dtsession | grep -v grep then echo "Killing Thing1 desktop session" kill -9 'ps -ef | grep thing1 | grep dtsession | grep -v grep | awk '{FS = " "}{print $2}'' fi I'm... (7 Replies)
Discussion started by: Heron
7 Replies

2. Shell Programming and Scripting

translate rc to string

Hi Maybe you can suggest a nicer way to do the following: RET_STR=$(echo ${RET} | sed -e 's/0/Object is not mapped/' \ -e 's/1/Operation Internal Error/' \ -e 's/2/Operation Invalid Arguments/' \ -e 's/3/Object is mapped/' \ -e 's/4/Path not found/') (3 Replies)
Discussion started by: ynir
3 Replies

3. Shell Programming and Scripting

MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else

Hi Guys, I need to set the value of $7 to zero in case $7 is NULL. I've tried the below command but doesn't work. Any ideas. thanks guys. MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else { print $7}}' ` Harby. (4 Replies)
Discussion started by: hariza
4 Replies

4. Shell Programming and Scripting

Read content between xml tags with awk, grep, awk or what ever...

Hello, I trying to extract text that is surrounded by xml-tags. I tried this cat tst.xml | egrep "<SERVER>.*</SERVER>" |sed -e "s/<SERVER>\(.*\)<\/SERVER>/\1/"|tr "|" " " which works perfect, if the start-tag and the end-tag are in the same line, e.g.: <tag1>Hello Linux-Users</tag1> ... (5 Replies)
Discussion started by: Sebi0815
5 Replies

5. UNIX for Dummies Questions & Answers

Help translate code

Hi, all of you!!! I have this code and I won to build-in some more code. I know this is a lot of code. if ; then if ; then SYSROOT="$1" S_SCRIPT="cd $1 ; ./etc/rc.sysinit 2>&1 &" fi else ... (22 Replies)
Discussion started by: jokerper
22 Replies

6. Shell Programming and Scripting

translate this string

Hi, I'm using code below to assign title for Putty Window to show user@hostname+curr directory. Trying to read this "write only" language, can anybody help me to go thru this string, too many thing in it I can't expaing Tx T export PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}:... (1 Reply)
Discussion started by: trento17
1 Replies

7. Shell Programming and Scripting

translate sed to awk

hi, can someone tell me how can I translate the following line from sed to awk? `sed 's/^*:*:*:*:*:\(*\):.*/\1/ How to use code tags when posting data and code samples. (14 Replies)
Discussion started by: adam25bc
14 Replies

8. Shell Programming and Scripting

AWK/GREP: grep only lines starting with integer

I have an input file 12.4 1.72849432773174e+01 -7.74784188610632e+01 12.5 9.59432114416327e-01 -7.87018212757537e+01 15.6 5.20139995965960e-01 -5.61612429666624e+01 29.3 3.76696387248366e+00 -7.42896194101892e+01 32.1 1.86899877018077e+01 -7.56508762501408e+01 35 6.98857157014640e+00... (2 Replies)
Discussion started by: chrisjorg
2 Replies

9. UNIX for Dummies Questions & Answers

Piping grep into awk, read the next line using grep

Hi, I have a number of files containing the information below. """"" Fundallinfo 6.3950 14.9715 14.0482 """"" I would like to grep for Fundallinfo and use it to read the next line? I ideally would like to read the three numbers that follow in the next line and... (2 Replies)
Discussion started by: Paul Moghadam
2 Replies

10. Shell Programming and Scripting

Translate bash mathematical calculation to awk

this code below is very useful in calculating mean and quartiles. however, i would really like to translate it to awk without having to write to any external file: #!/bin/sh filename="tmp.txt" sort -n $1 >$filename rows=`wc -l $filename|cut -d' ' -f1` q2=`echo "($rows+1)/2" |bc` ... (3 Replies)
Discussion started by: SkySmart
3 Replies
GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME
grub-render-label - generate a .disk_label for Apple Macs. SYNOPSIS
grub-render-label [OPTION...] [OPTIONS] DESCRIPTION
Render Apple .disk_label. -b, --bgcolor=COLOR use COLOR for background -c, --color=COLOR use COLOR for text -f, --font=FILE use FILE as font (PF2). -i, --input=FILE read text from FILE. -o, --output=FILE set output filename. Default is STDOUT -t, --text=STRING set the label to render -v, --verbose print verbose messages. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly installed at your site, the command info grub-render-label should give you access to the complete manual. grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)
All times are GMT -4. The time now is 05:59 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy