I would guess your prof is more interested in how to construct a regular expression to eliminate odd or even numbers of characters. Have you done regular expressions (regex) in class? Or character classes e.g., '[0-9]' means for all digits?
e.g. -
This is an extract from a script that i am trying to run.
for tim in "2005:00:" "2005:01:" "2005:02:" "2005:03:" "2005:04:" "2005:05:"; do
FormString="$tim"
echo "grep '$FormString' access.10Aug-1201AM"
count=`grep "$FormString" access.10Aug-1201AM | wc -l`
... (1 Reply)
hi guys,
i was hoping you could help me out with the following
im designing a help site for my work colleagues and would like a little script which would do a grep to check if an application is running on unix
for example this is what i do on unix
ps -ef | grep mqm
and this tells me if... (4 Replies)
Hi,
I am new to this - I have a unix command (below) that I would like to make automated. I would like the script to run the below command line but would like user input for '\' and '\' as these values will change depending on what i'm searching for. Is this possible? if so please help.
... (13 Replies)
Hi.
I am trying to extract the output of the first few lines of a continuos sh script.
The when i run it, i wont to grep the the first 20 lines of it for an entry and basically do a crtl z out of it or to that effect, and output the results to a text file.
I basically want to script... (5 Replies)
I need help in the following script. I want to grep the sql errors insert into the error table and exit the shell script if there is any error, otherwise keep running the scripts.
Here is my script
#!/bin/csh -f
source .orapass
set user = $USER
set pass = $PASS
cd /opt/data/scripts
echo... (2 Replies)
Hi
i wrote script use it as watchdog ( i mean it check another program (pooya) whenever that was killed (closed or crashed) it run another script (pooya_start.sh) to start it,
this script work fine and do the job for me , i need help of an expert to tell me (exact command) how to change this... (8 Replies)
Hello,
I have a command and would like to make that as a script. How do I do that?
my command is:
grep -Eo +\.+\.+\.+.
and i want to have that like grepscript.sh x.txt > IP.txt
Can somebody help me? (3 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)
Hallo gentlemen,
i've a problem removing lines from txt file. To make it simple, here is an example:
TEXT1.TXT --- contents:
9.9.9.9 geek.net
1.1.1.1 geek.com
2.2.2.2 leet.net
TEXT2.TXT --- contents:
geek.com
coolbar.org
I simply do:
cat text1.txt | grep -f text2.txt >... (7 Replies)
Hi,
New to scripting and looking for some help.
I am trying to write a script that will search a specified directory for any new or modified files within the last 7 days and display the results. This will be ran daily and emailed?
Thanks (18 Replies)
Discussion started by: Con592
18 Replies
LEARN ABOUT ULTRIX
re_exec
regex(3) Library Functions Manual regex(3)Name
re_comp, re_exec - regular expression handler
Syntax
char *re_comp(s)
char *s;
re_exec(s)
char *s;
Description
The subroutine compiles a string into an internal form suitable for pattern matching. The subroutine checks the argument string against
the last string passed to
The subroutine returns 0 if the string s was compiled successfully; otherwise a string containing an error message is returned. If is
passed 0 or a null string, it returns without changing the currently compiled regular expression.
The subroutine returns 1 if the string s matches the last compiled regular expression, 0 if the string s failed to match the last compiled
regular expression, and -1 if the compiled regular expression was invalid (indicating an internal error).
The strings passed to both and may have trailing or embedded newline characters; they are terminated by nulls. The regular expressions
recognized are described in the manual entry for given the above difference.
Diagnostics
The subroutine returns -1 for an internal error.
The subroutine returns one of the following strings if an error occurs:
No previous regular expression
Regular expression too long
unmatched (
missing ]
too many () pairs
unmatched )
See Alsoed(1), ex(1), egrep(1), fgrep(1), grep(1)regex(3)