.
To use negative offsets that begin with a minus sign, separate the minus sign and the colon with a space.
<code>${string:p... E
While the # and % identifiers may not seem obvious, they have a convenient mnemonic. The # key is on... s a section on Parameter Substitution which tells us that $foo is really a shorthand for ${foo} which ... sed as single characters and in pairs. This gives us four combinations for trimming patterns off the b
derr.
exit $E_NOARGS
# Returns 65 as exit status of script (error code).
fi
filename=$1
if [ !... if desired.
exit $? # Script returns exit status of pipe.
# Actually "exit $?" is unnecessary, as... script will, in any case,
#+ return the exit status of the last command executed.
</code>
==== compo
