1. UNIX for Dummies Questions & Answers

I am trying to glue 4 comma separated values files side by side into one. Right now, I'm working based on this: i="1" while #files are 425 lines do echo `head -$i file1.csv | tail -1`,`head -$i file2.csv | tail -1`,`head -$i file3.csv | tail -1`,`head -$i file4.csv | tail -1` >> finished.csv... (2 Replies)

2. Solaris

Hi anyone know... ID1=1234 ID2=2345 ID3=3456 count=1 while do echo $(ID$count) --> i would like the out put to be 1234 count=$((count + 1)) done exit 0 if i would like to echo ID1 then it will should 1234567. how should i echo like this would not works -> echo $(ID$count) ... (7 Replies)

3. UNIX for Dummies Questions & Answers

Is there a way to get echo to make newlines without using any type of quotes? I've done a lot of searches and went into my Linux book to no avail. I'm trying to write five separate lines to a file. I can get echo to accept all five lines like this echo \ \this is line 1\ \this is line 2\ >... (6 Replies)

4. Shell Programming and Scripting

There is an output file which has been generted by Concatenating 4 differnt files. like four files (a,b,c,d) contains output of different lenght and line number. Suppose file a contains 10 records and all ten records are of constant varible lenght (let us say 12) same is the case with rest... (5 Replies)

5. Shell Programming and Scripting

So in my shell i execute: { while true; do echo string; sleep 1; done } | read line This waits one second and returns. But { while true; do /bin/echo string; sleep 1; done } | read line continues to run, and doesn't stop until i kill it explicitly. I have tried this in bash as well as zsh,... (2 Replies)

6. UNIX for Dummies Questions & Answers

Bit of a weird one i suppose, i want to use an echo inside an echo... For example... i have a script that i want to use to take users input and create another script. Inside this script it creates it also needs to use echos... echo "echo "hello"" >$file echo "echo "goodbye"" >$file ... (3 Replies)

7. Shell Programming and Scripting

echo `echo ` doesn't echoes anything. And it's logic. But echo `echo `echo ` ` does echoes "echo". What's the logic of it? the `echo `echo ` inside of the whole (first) echo, echoes nothing, so the first echo have to echo nothing but echoes "echo" (too much echoing :P):o (2 Replies)

8. UNIX Desktop Questions & Answers

#!/bin/bash date echo $_ What does $_ will print? (3 Replies)

9. Shell Programming and Scripting

I came across and unexpected behavior with redirections in tcsh. I know, csh is not best for redirections, but I'd like to understand what is happening here. I have following script (called out_to_streams.csh): #!/bin/tcsh -f echo Redirected to STDOUT > /dev/stdout echo Redirected to... (2 Replies)

10. UNIX for Dummies Questions & Answers

Hi guys, Been messing around with shell programming for a couple of days and I found something that was pretty odd in the behavior of the echo command. Below is an example-: When I type the following in my /home directory from my lxterminal in Debian-: echo "`ls -l`" I get the... (2 Replies)