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Top Forums Shell Programming and Scripting line 5: [: -gt: unary operator expected Post 302367475 by methyl on Monday 2nd of November 2009 07:16:04 PM
Old 11-02-2009
As other posters imply, what is the response to typing this command at the same place where you might execute the script? The error message implies that the response is not a number.
Quote:
awk 'END {print NR}' ecoli_operons
Knowing the Operating System and version would help.
Clutching at straws and if the above command does not give an error message.
1) The environment variable $LINES is reserved in all modern shells. Though I have no factual reason to suggest this, you could try another name for the variable $lines.
2) A script edited on a MSDOS and ported to unix without proper text file conversion could misbehave like this.
3) The trailing semi-colon on "while [ $lines -gt 0 ];" is surplus.
4) How big is the file? Is $lines a very large number (> 2x1024x1024x1024) ?

Last edited by methyl; 11-02-2009 at 08:50 PM..
 

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