line Command
Purpose
Reads one line from the standard input.
Syntax
line
Description
The line command copies one line from standard input and writes it to standard output. It returns an exit value of 1 on an end-of-file and always writes at least a new-line character. Use this command within a shell command file to read from the workstation.
Exit Status
This command returns the following exit values:
Item | Description |
---|---|
0 | Successful completion. |
>0 | End-of-file occurred on input. |
Examples
To read a line from the keyboard and append it to a file, create a script file as follows:
echo 'Enter comments for the log:'
echo ': \c'
line >>log
This shell procedure displays the message:
Enter comments for the log:
and then reads a line of text from the workstation keyboard and adds it to the end of the log. The echo ': \c' command displays a colon prompt.