10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Trying to find and replace one string with another string in a file
#!/usr/bin/perl
$csd_table_path = "/file.ntab";
$find_str = '--bundle_type=021';
$repl_str = '--bundle_type=021 --target=/dev/disk1s2';
if( system("/usr/bin/perl -p -i -e 's/$find_str/$repl_str/' $csd_table_path")... (2 Replies)
Discussion started by: cillmor
2 Replies
2. Shell Programming and Scripting
I'm probably just not thinking of the correct term to search for :-) But I want to match a pattern that might be 'ABC' or '1ABC' there might be three characters, or there might be four, but if there are four, the first has to be 1 (1 Reply)
Discussion started by: jnojr
1 Replies
3. Shell Programming and Scripting
Hi,
I am trying with the below Perl one-liner using regular expression to extract the first and second column of a text file:
perl -p -e "s/\s*(\w+).*/$1/"
perl -p -e "s/\s*.+\s(.+)\s*/$1\n/"
whereas the text file's data looks like:
Error: terminated 2233
Warning: reboot 3434
Warning:... (3 Replies)
Discussion started by: royalibrahim
3 Replies
4. Shell Programming and Scripting
I need help with a regexp to find out the ip address which can possibly be present in a URL.
The URLs can be in any of the following form
<domain>?a=12345&d=somestring1
<domain>?c=10.10.10.100&d=somestring1
<domain>?a=12345&b=somestring1&c=10.1.2.4d=somestring2... (3 Replies)
Discussion started by: ampak
3 Replies
5. Shell Programming and Scripting
continuing from my previous post, whose link is given below as a reference
https://www.unix.com/shell-programming-scripting/171076-shell-scripting.html#post302573569
consider there is create table commands in a file for eg:
CREATE TABLE `Blahblahblah` (
`id` int(11) NOT NULL... (2 Replies)
Discussion started by: vivek d r
2 Replies
6. UNIX for Dummies Questions & Answers
Hi,
I'm curious about how to do a very simple thing with regular expressions that I'm unable to figure out.
If I want to find out if a string contains 'a' AND 'b' AND 'c' it can be very easily done with grep:
echo $STRING|grep a|grep b|grep c
but, how would you do that in a single... (9 Replies)
Discussion started by: jimcanoa
9 Replies
7. Shell Programming and Scripting
Greetings all,
...here is yet another string of awk/sed questions from a RegExp-Challenged luser :eek:
I'm looking to have sed/awk do some clean-up on routing tables and to that end, I would like to do the following:
1.) If a line contains the word "masks" or "subnets" prepend CR/LF to... (16 Replies)
Discussion started by: SteveB-in-LV
16 Replies
8. UNIX for Dummies Questions & Answers
Good Day,
Im new to scripting especially awk and sed. I just would like to ask help from you guys about a sed command that prints the line immediately after a regexp, but not the line containing the regexp.
sed -n '/regexp/{n;p;}' filename
What if my regexp is 3 word or a sentence. Im... (3 Replies)
Discussion started by: ownins
3 Replies
9. Shell Programming and Scripting
Couldn't find much help on the kind of question I've here:
There is this text file with text as:
Line one has a bingo
Line two does not have a bingo but it has a tango
Bingo is on line three
Line four has both tango and bingo
Now I would want to search for the pattern "bingo" in this file... (3 Replies)
Discussion started by: manthasirisha
3 Replies
10. Shell Programming and Scripting
Hi everybody
for file in *
#Bash performs filename expansion
#+ on expressions that globbing recognizes.
do
output="`grep -n "$1" "$file"`"
echo "$file: `expr "$output" : '\(^.*$\)'`"
done
In the above bash script segment, I try to print just the first line of string named... (3 Replies)
Discussion started by: jonas.gabriel
3 Replies
