You haven't said what OS you're using, but some versions of sed require an option argument with the -i option. In this case it looks in this case, your sed substitution command is being interpreted as a filename extension to be used for your backup file and your filename is being interpreted as an invalid sed command.
Try:
or, if you like to live dangerously and risk losing all of your data,
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)
Hello,
I looking to use grep to return a string with exactly n matches.
I'm building off this:
ls -aLl /bin | grep '^.\{9\}x' | tr -s ' '
-rwxr-xr-x 1 root root 632816 Nov 25 2008 vi
-rwxr-xr-x 1 root root 632816 Nov 25 2008 view
-rwxr-xr-x 1 root root 16008 May 25 2008... (7 Replies)
Hello,
I'm working on unix with grep (GNU grep) 2.5.1. I'm going through some of the newer regex syntax using Regular Expression Reference - Advanced Syntax a guide.
ls -aLl /bin | grep "\(x\)"
Which works, just highlights 'x' where ever, when ever.
I'm trying to to get (?:) to work but... (4 Replies)
This may be a repetitive or simple question, but I have a long running code, which uses a grep with a big argument, and i was wondering if there was a way to replace all of my greps with awk....here are my two commands using greps.
x=$(ls /my/directory/here | grep -h ".$variable")
and
... (1 Reply)
Hello.
I want to get all modules which are loaded and which name are exactly 2 characters long and not more than 2 characters and begin with "nv"
lsmod | (e)grep '^nv????????????
I want to get all modules which are loaded and which name begin with "nv" and are 2 to 7 characters long
... (1 Reply)
how to replace grep with awk commands.
i have a code like:
grep -w $student $markfile|$subjectid
can similar code be written by replacing grep with awk.
Thanks in advance,
regards,
giri (6 Replies)
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)
i have this line of code that looks for the same file if it is currently running and returns the count.
`ps -eaf -o args | grep -i sfs_pcard_load_file.ksh | grep -v grep | wc -l`
basically it is assigned to a variable
ISRUNNING=`ps -eaf -o args | grep -i sfs_pcard_load_file.ksh |... (6 Replies)
Hi All,
I need to replace a match with are new values when there is a double match.
grep 04422494 MAX.dat | grep 1102300131
I need to replace 1102300131 as 1101600131 in MAX.dat only for the record matching 04422494 . I tried replace as
sed/s/1102300131 /1101600131 /g MAX.dat
... (3 Replies)