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Full Discussion: Script works fine until I | more
Top Forums Shell Programming and Scripting Script works fine until I | more Post 95452 by Perderabo on Wednesday 11th of January 2006 10:17:32 AM
Old 01-11-2006
The ls program will do stuff like this on most systems. Maybe AIX is an exception. But for me, "ls" and "ls | more" give different results. I am forced to do a "ls -C | more" to see the equivalent of "ls'. What is happening is that the ls program is looking at stdout and checking to see if it's a tty or not. If it is a tty, it defaults to -C. Any program can do that, but to do so is controversial to say the least. All I can suggest is to check the man page for your command and see if there is an option to give you the result you want. Possibly the program is innocent and it's the script that is doing this. To see the syntax, try these commands from a ksh prompt:
{ [ -t 1 ] && echo yes; }
{ [ -t 1 ] && echo yes; } | cat

The first should print "yes" but the second should print nothing. Check your script for stuff like that.
 

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LEARN ABOUT DEBIAN

scitools

SCITOOLS(1)						      General Commands Manual						       SCITOOLS(1)

NAME

       scitools - run a SciTools command

SYNOPSIS

       scitools command [OPTIONS]

DESCRIPTION

       The scitools script takes a command and runs a corresponding utility. The available commands are listed below.

       file2interactive
	      Utility for taking a set of Python statements in a file and creating the corresponding interactive Python shell session.

       floatdiff
	      Script for examining differences in regression tests involving floating-point numbers. Used in [1].

       regression
	      Simple front-end script to SciTools' Regression module. Used in [1].

       ps2mpeg
	      Utility for turning a set of PostScript files into an MPEG movie, using mpeg_encode or ppmtompeg.

       profiler
	      Script for simplifying the execution of Python's profiling tools. Used in [1].

       rename Script for renaming a set of files by substituting one string or regular expression with another.

       subst  Script for subsituting a phrase by another in a set of files. Accepts regular expressions. Treated in [1].

       replace
	      Script  for  subsituting	a  phrase by another in a set of files. Does not use regular expressions, just plain text (well suited for
	      substituting text with much use of backslashes, curly braces, and other special  characters  in  regular	expressions  (e.g.,  LaTeX
	      text).

       movie  Script  for  creating  a	movie file from a sequence of image files (frames). By default an HTML file for displaying the image (PNG)
	      files are made.

       pyreport
	      Processes a Python script and pretty prints the results using LateX. If the script uses show() commands (from scitools.easyviz) they
	      are caught by pyreport and the resulting graphs are inserted in the output pdf. Comments lines starting with "#!" are interpreted as
	      rst lines and pretty printed accordingly in the pdf.

       [1] H. P. Langtangen: Python Scripting for Computational Science. Third
	      edition, second printing. Springer, 2009.

OPTIONS

       -h, --help
	      Show usage for all commands and exit.

BUGS

       Send comments, questions, bug reports etc. to scitools@googlegroups.com.

LICENSE

       SciTools is licensed under the new BSD license.

AUTHOR

       SciTools is written by Hans Petter Langtangen <hpl@simula.no>, Johannes Ring <johannr@simula.no>,  Ilmar  Wilbers  <ilmarw@simula.no>,  and
       Rolv E. Bredesen <rolv@simula.no>. This manual page is written by Johannes Ring <johannr@simula.no>.

																       SCITOOLS(1)
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