This article is part of the Linux Shell Series Tutorial (eight), more shell tutorials: Linux Shell Tutorials
In previous: Linux Shell series Tutorial (vii) Shell output This article has a brief introduction to the Shell printf command, which
in the previous section we learned about the Shell's echo command, which we'll learn from the Shell's other output command printf.
The printf command mimics the printf () program in the C library.
Standard, so scripting with printf is better than
Summarize:(1) printf uses reference text or space-delimited parameters, which can be used to format strings in printf, as well as the width of strings, left and right alignment, and so on. Default printf does not automatically add line breaks like
The printf command is used to format the output and is an enhanced version of the echo command. It is a finite variant of the C-language printf () library function, and is somewhat different in syntax.Note: printf is defined by the POSIX standard,
The printf command is used to format the output and is an enhanced version of the echo command. It is a finite variant of the C-language printf () library function, and is somewhat different in syntax.Note: printf is defined by the POSIX standard,
The printf command is used to format the output and is an enhanced version of the echo command. It is a finite variant of the C-language printf () library function, and is somewhat different in syntax.Note: printf is defined by the POSIX standard,
The printf command is used to format the output and is an enhanced version of the echo command. It is a finite variant of the C-language printf () library function, and is somewhat different in syntax.Note: printf is defined by the POSIX standard,
In the previous section we learned about the Shell's echo command, which we'll learn from the Shell's other output command printf.The printf command mimics the printf () program in the C library.printf is defined by the POSIX standard, so scripting
The differences and usage between PHPecho, print, printf, and sprintf functions are described in detail. 1. echo function: output function, which is a command and cannot return values. Echo can be separated with multiple parameters by semicolons,
1. Echo Function:
The output function, which is a command, cannot return a value. Echo can be followed by a number of parameters, separated by semicolons, such as:echo $myvar 1;Echo, $myvar, "bold";
2. Print function:
is a function that returns a
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