Input and output

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This section describes the input output.

Function	Syntax/Description
print lines	[Line1 [,Line2] ] p Writes the indicated lines to STDOUT at the point in the editing process that the p command occurs.
write lines	[Line1 [,Line2] ]w FileName Writes the indicated lines to a FileName at the point in the editing process that the w command occurs. If FileName exists, it is overwritten; otherwise, it is created. A maximum of 10 different files can be mentioned as input or output files in the entire editing process. Include exactly one space between w and FileName.
read file	[Line1]r FileName Reads FileName and appends the contents after the line indicated by Line1. Include exactly one space between r and FileName. If FileName cannot be opened, the command reads it as a null file without giving any indication of an error.

Function

Syntax/Description

print lines

[Line1 [,Line2] ] p

Writes the indicated lines to STDOUT at the point in the editing process that the p command occurs.

write lines

[Line1 [,Line2] ]w FileName

Writes the indicated lines to a FileName at the point in the editing process that the w command occurs.

If FileName exists, it is overwritten; otherwise, it is created. A maximum of 10 different files can be mentioned as input or output files in the entire editing process. Include exactly one space between w and FileName.

read file

[Line1]r FileName

Reads FileName and appends the contents after the line indicated by Line1.

Include exactly one space between r and FileName. If FileName cannot be opened, the command reads it as a null file without giving any indication of an error.