Red Hat ENTERPRISE LINUX 4 - DEVELOPER TOOLS GUIDE, Руководство пользователя

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Chapter 22. Canned Sequences of Commands 193
echo This is some text\n
echo which is continued\n
echo onto several lines.\n
output
expression
Print the value of
expression
and nothing but that value: no newlines, no
$
nn
=
. The value is
not entered in the value history either. Refer to Section 10.1 Expressions , for more information
on expressions.
output/
fmt expression
Print the value of
expression
in format
fmt
. You can use the same formats as for
print
. Refer
to Section 10.4 Output formats , for more information.
printf
string
,
expressions
...
Print the values of the
expressions
under the control of
string
. The
expressions
are sep-
arated by commas and may be either numbers or pointers. Their values are printed as specified
by
string
, exactly as if your program were to execute the C subroutine
printf (
string
,
expressions
...);
For example, you can print two values in hex like this:
printf "foo, bar-foo = 0x%x, 0x%x\n", foo, bar-foo
The only backslash-escape sequences that you can use in the format string are the simple ones
that consist of backslash followed by a letter.