10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hello All,
I'm trying to extract the lines between two consecutive elements of an array from a file.
My array looks like:
problem_arr=(PRS111 PRS213 PRS234)
j=0
while } ]
do
k=`expr $j + 1`
sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt
---some operation goes... (11 Replies)
Discussion started by: InduInduIndu
11 Replies
2. Programming
Hi all,
How am I read a file, find the match regular expression and overwrite to the same files.
open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat";
open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat";
while (<DESTINATION_FILE>)
{
# print... (1 Reply)
Discussion started by: jessy83
1 Replies
3. Shell Programming and Scripting
Could anyone of you please guide me on making correct regular expression to match the exact word or character
I have some numbers like 12345780 extn 1234
1234567 x 43545
13245678 Extn 454857
if * ]]; then
VAR3=`echo "$NUMBER" | nawk -F "*" '{print $1 $2}'`
... (4 Replies)
Discussion started by: nram_krishna@ya
4 Replies
4. Shell Programming and Scripting
CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error.
source $CA_VERSION_DATA
if * ]
then
echo "CA_RELESE $CA_RELEASE is invalid"
exit -1
fi
+ source /etc/ncgl/ca_version_data
++ CA_PRODUCT_ID=samxts
++ CA_RELEASE=6
++ CA_WEEK_NO=7
++... (3 Replies)
Discussion started by: ketkee1985
3 Replies
5. Shell Programming and Scripting
In Perl I can write a condition that evaluates a match expression like this:
if ($foo =~ /^bar/) {
do blah blah blah
}
How do I write this in shell? What I need to know is what operator do I use? The '=~' doesn't seem to fit. I've tried different operators, I browsed the man page for... (3 Replies)
Discussion started by: indiana_tas
3 Replies
6. Shell Programming and Scripting
Hi
I have to extract the first field and the last %field of the following out put..
/home (/abc/def/bhd ) : 522328 total allocated Kb
319448 free allocated Kb
... (2 Replies)
Discussion started by: Harikrishna
2 Replies
7. Linux
Regular expression to extract "y" from "abc/x.y.z" (2 Replies)
Discussion started by: rag84dec
2 Replies
8. UNIX for Dummies Questions & Answers
Hello,
I have a string of the form " &x.y.z"
I would like to grep all the lines when "in" can be found in either x or y. How to write the corresponding regular expression ? I have tried the following but it does not work:
grep -i " *&.*(in)*.*.*(in)*.*"
Any ideas ?
Thank you
Max (1 Reply)
Discussion started by: maxvirrozeito
1 Replies
9. Shell Programming and Scripting
hello all.. I'm a bit new to this site.. and I hope to learn alot.. but I've been having a hard time figuring this out. I'm horrible with regular expressions.. so any help would be greatly appreciated.
I have a file with a list of names like this: LASTNAME, FIRSTNAME, MIDDLEINITIAL
how can... (5 Replies)
Discussion started by: mac2118
5 Replies
10. Shell Programming and Scripting
Is it possible to combine a regular expression with a aritmetical expression? For example, taking a 8-numbers caracter sequece and casting each output of a grep, comparing to a constant.
THX! (2 Replies)
Discussion started by: Z0mby
2 Replies