hi,
how can i make use of a command in the replacement segment..
cat a | sed '/^*]\{3\}$/{
s/\(.*\)/REPLACEMENT/g
}'
suppose if I want to use a awk command in the replacement section , how to achieve that ?
Thanks (1 Reply)
I am new to unix ... I have a file with name unixile.123761 I need to cut the extension from this file name? can u help me for this
i have tried like follows
copied the file lo one variable v
and then `echo $v | grep cut -d = -f 1` (8 Replies)
Hi All,
Greetings..
I am having a Line of 1600 characters in which each specifi fields have some values. For example 1-5 Firstname 6-8 Age and so on..
I am using `expr substr $line 100,7` to get values from the line and store in seperate variables..
The file contains 70000 lines. It is taking 3... (8 Replies)
Hi,
I have a script that use some files and generate one file using these files. The main command that i am using in the script is the command cut, but it is very low, and i would like another command to generate my file faster...
My need is be able to use another command similar than "cut"... (2 Replies)
Hi
I am using 'find' on a particular directory which has some subdirectories too,so when I search for .txt files from the parent directory, it gives all files that matches the pattern in the parent aswellas in the sub directories .
eg:
Iam at /a/b/c
where c has many other directories in it ... (7 Replies)
Hello,
I have a file packed with records similar to:
-rw-rw---- 1 pcpdsrv8 suppw 98737 21 Jan 09:08 Workflow_Calc_Distance.log.20101223060615.bin
Could someone tell me how I can cut out all the info up until the Date field please so it looks like:
21 Jan 09:08... (3 Replies)
Hi
Can anyone what I am doing wrong while using cut command.
for f in *.log
do
logfilename=$f
Log "Log file Name: $logfilename"
logfile1=`basename $logfilename .log`
flength=${#logfile1}
Log "file length $flength"
from_length=$(($flength - 15))
Log "from... (2 Replies)
hay
i am trying to get JUST the PID from the ps command.
my command line is:
ps -ef | grep "mintty" | cut -d' ' -f2
but i get an empty line. i assume that the delimiter is not just one space character, but can't figure out what should i do in order to do that.
i know i can use awk or cut... (8 Replies)
I'm a complete beginner in UNIX (and not a computer science student either), just undergoing a tutoring course. Trying to replicate the instructions on my own I directed output of the ls listing command (lists all files of my home directory ) to My_dir.tsv file (see the screenshot) to make use of... (9 Replies)
Discussion started by: scrutinizerix
9 Replies
LEARN ABOUT POSIX
zgrep
ZGREP(1) General Commands Manual ZGREP(1)NAME
zgrep - search possibly compressed files for a regular expression
SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename...
DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code:
(-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the
standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep.
If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.
EXIT CODE
2 - An option that is not supported was specified.
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)ZGREP(1)