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Top Forums UNIX for Dummies Questions & Answers Bash condition test at the end of string Post 302902350 by Don Cragun on Tuesday 20th of May 2014 06:01:12 AM
Old 05-20-2014
Your question doesn't make any sense.
If statements don't read data from pipes.
You have shown us four echo statements (each of which prints at least three consecutive spaces piped into if statements with comments saying two of them don't contain three spaces???
Then you have shown us a conditional expression that performs two pathname expansions and performs logical and and not operations on those expansions in ways that might or might not be syntax errors depending on what files exist in the current directory.

If you want to write a function, the first thing you need to do is clearly explain what input that function is going to receive and what output it is supposed to produce.
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EMPY(1) 						      General Commands Manual							   EMPY(1)

NAME
empy - A powerful and robust templating system for Python SYNOPSIS
empy [options] [<filename, or '-' for stdin> [<argument>]] DESCRIPTION
This manual page documents briefly the empy command. EmPy is a system for embedding Python expressions and statements in template text; it takes an EmPy source file, processes it, and produces output. This is accomplished via expansions, which are special signals to the EmPy system and are set off by a special prefix (by default the at sign, @). EmPy can expand arbitrary Python expressions and statements in this way, as well as a variety of special forms. Textual data not explicitly delimited in this way is sent unaffected to the output, allowing Python to be used in effect as a markup language. Also supported are call- backs via hooks, recording and playback via diversions, and dynamic, chainable filters. The system is highly configurable via command line options and embedded commands. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files. -h, --help Show summary of options. -v, --version Show version of program. SEE ALSO
python(1). AUTHOR
EmPy was written by Erik Max Francis <software@alcyone.com>. This manual page was written by Ana Beatriz Guerrero Lopez, for the Debian project (but may be used by others). EMPY(1)
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