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. UNIX for Dummies Questions & Answers
I have a very large file (over 700 million lines) that has some lines that I need to delete. An example of 5 lines of the file:
HS4_80:8:2303:19153:193032 153 k80:138891
HS4_80:8:2105:5544:43174 89 k88:81949
165 k88:81949 323 0 * = 323 0 ... (6 Replies)
Discussion started by: pathunkathunk
6 Replies
3. 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
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 $CA_RELEASE is invalid"
exit -1
fi
+ source /etc/ncgl/ca_version_data
++ CA_PRODUCT_ID=samxts
++ CA_RELEASE=6
++ CA_WEEK_NO=7
++... (3 Replies)
Discussion started by: ketkee1985
3 Replies
5. Shell Programming and Scripting
I'm trying to have my perl script telnet into the network device execute a command then dump the output of the command into a variable. The script then greps for the word "STANDBY". I can't seem to get the script to print out the output because it seems that the script can't find the word... (1 Reply)
Discussion started by: xmaverick
1 Replies
6. UNIX for Dummies Questions & Answers
I have a File with the below contents
File1
I have no prior experience in unix. I have just started to work in unix.
My experience in unix is 0. My Total It exp is 3 yrs.
I need to replace the first word in each line with the last word for example
unix have no prior experience in... (2 Replies)
Discussion started by: kri_swami
2 Replies
7. Shell Programming and Scripting
Hi,
I have the following file as shown below:
Replace()
{
sed -e "s+ABCDIR+$DDIR/C+g" \
-e "s+ABCDIR+$DDIR/C+g" \
-e "s + ABCDDIR+$DDIR/C"\
}
I need a Regular expression to grep 0nly ABCDIR.
if i use grep -i... (3 Replies)
Discussion started by: ravi_rn
3 Replies
8. Linux
Regular expression to extract "y" from "abc/x.y.z" (2 Replies)
Discussion started by: rag84dec
2 Replies
9. UNIX for Dummies Questions & Answers
OK, this ones been bugging me....
9DH21AQAE~56081~109~12/18/2003~ ~B ~ ~
I want to remove all but 1 of the trailing spaces after the last ~, there may be 2 or more trailing spaces
tried
s/\~ +/\~ /g but no go
thanks (5 Replies)
Discussion started by: edog
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