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Shell Programming and Scripting

cat in the command line doesn't match cat in the script

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Top Forums Shell Programming and Scripting cat in the command line doesn't match cat in the script
# 8  
Old 01-27-2009
sure, mate:

Code:
########### first #############

sort -n -r -k 2 -k 1 file1 | uniq > file2
cat file2

output:
246 12 egged
246 12 egged
468 -1 egged
246 12 egged
468 -1 egged

########## second ############

sort -n -r -k 2 -k 1 file1 | uniq > file2
#cat file2 => note that this command is disabled at the moment!

> cat file2
246 12 egged
468 -1 egged

# this should be the correct answer.

No hard feelings Smilie
# 9  
Old 01-27-2009
Hi System_Shock,

All my files are in the same folder.
I create them in the same folder, hence that's where there'll be, I guess...

I checked in the remote computer window in my SSH program, and they're in the same folder.

Thank you, though! Smilie
# 10  
Old 01-27-2009
Tools
The difference appears to be that the uniq command runs in one example, but not in the other.
Odd and perplexing....
must ponder a little more...
# 11  
Old 01-27-2009
But you know what's strange?
That the original file doesn't even look like that!
The cat command adds and doubles lines!
The original file looks like this:

Code:
file1:
------
246 12 egged
468 -1 egged
468 -1 egged

# 12  
Old 01-27-2009
It works fine for me, so there's more to it.
Are you writing this script in one box and moving it to another which could have a different version of sort?
Any variables/paths you are setting in the script?
Are you doing this through a serial console?
Code:
#  cat file1
    246 12 egged
    468 -1 egged
    468 -1 egged

#  cat script.ksh
   sort -n -r -k2 -k1 file1 | uniq > file2
   cat file2
   
# ./script.ksh
    246 12 egged
    468 -1 egged

#

# 13  
Old 01-27-2009
I had to add -u -d to the end of the uniq command to get it to work the way shira wants it to.

I think this may be a simple syntax issue, no spaces between -k and the numbers, add -u -d to the uniq command (that is supposed to be the default for the uniq command with no flags).

Code:
sort -n -r -k2 -k1 file1 | uniq -u -d > file2
cat file2

Shira, run a more on your file2.
# 14  
Old 01-27-2009
Quote:
Are you writing this script in one box and moving it to another which could have a different version of sort?
I'm creating file1 and file2 in the same script.
although in order to create file1 I used a different script.
But this part works fine.

Quote:
Any variables/paths you are setting in the script?
No...
Actually there are some, but they have no connection to file2. They only help me to create file1, and as I said, this file is okay.

Quote:
Are you doing this through a serial console?
I'm not sure what it is, perhaps I don't know the English term for this...?
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