The usual way to track these things would be to have the program in question generate a PID file, which you can use to see if the PID is still valid. Even if the program doesn't do that, you can use things like start-stop-daemon to do so for you.
more Hello.txt
it was a sunny way and i was about to go home.
I need to grep and redirect to a new file all the text between 'sunny' and 'go' string above.
Note: There may be multiple lines in between the string i need to grep between. If there are multiple 'go' strings it should grep till... (9 Replies)
I have 2 files; one file (say, details.txt) contains the details of employees and another file (say, emp.txt) has some selected employee names. I am extracting employee details from details.txt by using emp.txt and the corresponding code is:
while read line
do
emp_name=`echo $line`
grep -e... (7 Replies)
How am I supposed to print with one Unix command the names (and only the names) of company JMT? Problems with scandinavian letters? By typing
grep JMT url | egrep --only-matching ']+'I still have company name and + marks I should get rid of.
I'd be very grateful of your help bacause I am new... (1 Reply)
I am trying to grep the oracle erros evry day from the logs file. My problem is :
-rw-r----- 1 tibcolm tibco 17438361 Apr 5 11:59 RetryService-RetryService.log
-rw-r----- 1 tibcolm tibco 245303 Apr 5 12:00 ResponseService-ResponseService.log
-rw-r----- 1 tibcolm tibco 2122654 Apr 5 12:00... (4 Replies)
Hi im trying a GREP a varaiable which contains a file name and i search it in a list of .txt file and ifs its found the .txt file , it returns the name of the txt file name..the snippet im using is
foreach my $files (glob('*.txt'))
{
open(my $fh1, $files) or die("Unable to open '$files':... (2 Replies)
i have following pattern in file
s6:s2
s2:s4
s1:s2:s3:s4:s5:s6
s1
.
.
Now i want to find occurence of each record in file like s6:s2 occurs twice {once in first record and both occur in 3 record as well}
so output should be
s6:s2 2
s2:s4 2
s1:s2:s3:s4:s5:s6 :1
s1 : 2
... (7 Replies)
Hi All,
I am using the below script which has awk command, but it is not returing the expected result. can some pls help me to correct the command.
The below script sample.ksh should give the result if the value of last 4 digits in the variable NM matches with the variable value DAT. The... (7 Replies)
HI,
I have a command to check a license file.
License_print.
In that file you get the headlines and all different licenses.
Now i want to have things extracted from it.
so i do like following:
license_print | grep -iw -e "user" -e "admin"
But i donīt want all lines where user is... (11 Replies)
Hi,
I'm writing a shell script and trying to grep a variable value, it works fine as long as there is a value in /tmp/list.out which is captured in $DSK but sometimes the file tends to be empty and that is where I'm having an issue while using grep which returns nothing. I know I can use something... (15 Replies)
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 is used to invoke the grep on compress'ed or gzip'ed files. All options specified are passed directly to grep. If no file is speci-
fied, 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 zgrep is invoked as zegrep or zfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, zgrep uses
it as the grep program to be invoked. For example:
for sh: GREP=fgrep zgrep string files
for csh: (setenv GREP fgrep; zgrep string files)
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1), gzip(1), gzexe(1)ZGREP(1)