1. Shell Programming and Scripting

Hi , Can anybody explain how this perl one liner works.. It is to test whether the number is prime or not perl -le 'print "PRIME" if (1 x shift) !~ /^(11+)\1+$/' 19 Thanks in advance Shihab (2 Replies)

2. Shell Programming and Scripting

This works: nslookup `uname -n`|tail -2|awk -F: '{print $2}' This does not aa=`nslookup `uname -n`|tail -2|awk -F: '{print $2}'` Why??? Solaris v10 Thanks Brandt (6 Replies)

3. Shell Programming and Scripting

Greetings, I attempting to create a line statement that will do the following: 1. Read the input file 2. Extract lines containing certain keep words 3. Print the lines in a tabular format (CSV) Help is what I have so far: # cat text.tx | egrep -i -e "(Check Name) | (Risk Level) |... (6 Replies)

4. Shell Programming and Scripting

input a 100 200 300 b 400 10 output a 100 a 200 a 300 b 400 b 10 Thanx (6 Replies)

5. Shell Programming and Scripting

I want to use SED to replace all new line characters of a file, I googled and found this one liner sed '{:q;N;s/\n//g;t q}' infile what do :q;N; and t q mean in this script? (6 Replies)

6. Shell Programming and Scripting

abc/abc1/abc2/abc3/abc4 i need a script to pick this above path when ever any patterns like the below will be found. abc/abc1 abc/abc1/abc2 abc1/abc2/abc3 abc2/abc3/abc4 abc2/abc3/ etc .... etc..... not only the above 5 but like these one.. any one liner will be of great... (1 Reply)

7. Shell Programming and Scripting

Hi I have a log data that shows chunks of data like this: thisis example test, this is example test, this is example test thisis example test, this is example test, this is example test thisis example test, this is example test, this is example test thisis example test, this is example test,... (2 Replies)

8. Shell Programming and Scripting

Thanks for giving your time and effort to answer questions and helping newbies like me understand awk. I have a huge file, millions of lines, so perl takes quite a bit of time, I'd like to convert these perl one liners to awk. Basically I'd like all lines with ISA sandwiched between... (9 Replies)

9. UNIX for Dummies Questions & Answers

I have a data base of part numbers: AAA Thing1 BBB Thing2 CCC Thing3 File one is a list of part numbers: AAA234 BBB678 CCC2345 Is there a sed one-line that would compare a data base with and replace the part numbers so that the output looks like this? AAA234 Thing1 BBB678 Thing2... (5 Replies)

10. Shell Programming and Scripting

Hello, I am trying to sort/get some specific output from a ls command but however I am having no luck. The command I am using is 'ls -al /nim/dr/mksysb/\*'|grep -e _dr -e .tgz|cut -c37-90|cut -d" " -f2-8|cut -d_ -f1 the error is bash: ls -al /nim/dr/mksysb/\*: No such file or directory ... (1 Reply)