9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I'm trying to reverse every even line in my file using the awk command below but it prints only the odd lines but nothing else:
$ awk '(NR % 2) {print}; !(NR % 2) {print | "rev";}' myfile
Any idea what I might have done wrong?
Thank you. (10 Replies)
Discussion started by: ivpz
10 Replies
2. Shell Programming and Scripting
Hello,
I have a large list of names and would like to do a reverse sort on them i.e. the sort should be by the ending and not by the beginning of the word.
I had written in awk a small script but it does wrong things
{ for(i=length($0);i>=1;i--)
printf("%s/n",substr($0,i,1)); }
Could anyone... (3 Replies)
Discussion started by: gimley
3 Replies
3. Shell Programming and Scripting
Hi All,
I have a String str="Manish". I would like to reverse it.
I know the option to do this in bash is: echo "Manish" | rev
but I have seen an alternate solution somewhere, which states that:
str="Manish" echo $str | awk '{ for(i=length($0);i>=1;i--) printf("%s",substr($0,i,1));... (7 Replies)
Discussion started by: manishdivs
7 Replies
4. Shell Programming and Scripting
Hello guys
How can I use egrep to match word1 but not word2...word1.
What I mean
suppose that I have the following text, and my word1=pizza and word2=eat
I hate to eat pizza because I ma eating it each day
Pizza is good
I like vegetarian and Italian Pizza
eating healthy food is... (7 Replies)
Discussion started by: fdc2suxs
7 Replies
5. Shell Programming and Scripting
Just check out the script...
1 #!/bin/bash
2
3 echo -n "Enter a string :: "
4 read str
5 echo -n "Reverse is :: "
6 l=`expr length "$str"`
7 while
8 do
9 m=`echo $str | cut -c "$l"`
10 echo -n $m
11 ... (3 Replies)
Discussion started by: lipun4u
3 Replies
6. Shell Programming and Scripting
Hello,
How do i sort a csv file. i should be sorting column1(varchar),column2*(varchar) in ascending and column4 in descending order(numeric datatype).
I tried few combinations of sort, but doesn't seem to be getting the right result.
sort -t "," -k 1 -k 2 -k 4nr file
any help is... (3 Replies)
Discussion started by: markjason
3 Replies
7. Shell Programming and Scripting
Hi Everybody,
I want to write a script in unix which will automatically FTP a .txt file from my client machine D: drive(Windows)
That is I want to FTP a file from my PC to UNIX box but this should be done from UNIX box by a shell script. (i.e. I will invoke the script in UNIX and FTP will be... (4 Replies)
Discussion started by: ganesh123
4 Replies
8. Shell Programming and Scripting
Hi,
Can someone let me know how to find the reverse of the basename i.e
i have /apps/tiv/pmon/xxxx.dat and I want /apps/tiv/pmon/
Thanks (7 Replies)
Discussion started by: braindrain
7 Replies
9. UNIX for Dummies Questions & Answers
I need to display a line in an xterm window but i want to revese the colors so that the background color becomes the foreground color and the foreground color the background color. I want to do this as part of ksh script.
Can somebody tell me how to do this ?
Thanks,
Abu. (5 Replies)
Discussion started by: marcose
5 Replies