10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hey all this is probably something simple but not sure why I am getting this error. Any help is appreciated.
Expected output:
$ ./ex_01.ksh word1 word2 word3 word4
arguments: word1 word2 word3 word4
Number of arguments: 4
what I am getting:
./ex_01.ksh word1 word2 word3 word4
cat:... (3 Replies)
Discussion started by: linuxn00b
3 Replies
2. Shell Programming and Scripting
Hi All
i need a little script that can open a file , read it and then spit out some information from it
from the shell i would do
cat /var/log/Xorg.0.log | grep pixel | sed 's/: 330.*//' |
how can i do this nicley in perl
thanks
Adam (3 Replies)
Discussion started by: ab52
3 Replies
3. Shell Programming and Scripting
I am trying to use the following code:
cat *.txt > OutPutFile.txt
Using files with a expression in one single line that always end with " ; " something like this:
Block1.txt
Block2.txt
Block3.txt
The expected result should be something like this:
OutPutFile.txt:
My code works OK in this... (4 Replies)
Discussion started by: Xterra
4 Replies
4. Shell Programming and Scripting
#!/usr/bin/perl
#use strict;
#use warnings;
my $data = 'node: id=c1, class=nb, cx=100, cy=100, r=10';
#in the above string stored in $data i want to replace = with =" and ',' with "\t
so i used the tr operator as follows
$data =~tr/=/="/s;
print "$data";
But this is not... (2 Replies)
Discussion started by: rsanjay
2 Replies
5. Shell Programming and Scripting
Hi guys I'm using the following script to change input file format to another format. some where I'm getting the error. Could you please let me know if you find out?
cat input.txt|egrep -v ‘^#'|\ perl -ane ‘if (@F>3){$_=~/(chr.+):(\d+)\ s()/;print $1,”\t”,$2,”\t”,($2+35),”\n”}'\ > output.bed
... (1 Reply)
Discussion started by: repinementer
1 Replies
6. UNIX for Dummies Questions & Answers
Hi
I am having a little trouble understanding how to use this cat command. My question is the following:
write a command to create a file called catFiles that contains three copies of the file catFile.
If you can help me to understand how to create this, I would be very greatful.
Thanks... (2 Replies)
Discussion started by: rushhour
2 Replies
7. Shell Programming and Scripting
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
Discussion started by: shira
21 Replies
8. UNIX for Advanced & Expert Users
system("cat FILENAME | perl -e 'while(<>) { print $_;}'");
system("cat FILENAME | perl -e 'while(<>) { $_ =~ s/XXX/YYY/g; print $_;}'");
First command works fine but second command gives the following error:
syntax error at -e line 1, near "{ =~"
syntax error at -e line 1, near ";}"... (2 Replies)
Discussion started by: jingi1234
2 Replies
9. Shell Programming and Scripting
Hello again;
I have a file in this format
./this is/first/1
./this is/second/2
./this is/third/3
and i am using this file in a for loop with cat command like this
for i in `cat directory.txt`
do
..........
done
Bu there is a problem because my directory is "this is" but... (7 Replies)
Discussion started by: redbeard_06
7 Replies
10. UNIX for Advanced & Expert Users
On Solaris 5.8 in ksh,
I have a sample.txt with contents
A 105 305
B 205 405
C 100 198
.......................
when I do a cat sample.txt the O/P is exactly as above but when I do a echo `cat sample.txt` the O/P changes to
A 105 305 B 205 405 C 100 198...........
Everything is... (3 Replies)
Discussion started by: macrulez
3 Replies