Tips tagged read


Tip #767   Twitter from the terminal

I wrote a small script, I named it "tw" to update twitter from terminal:

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Tip #549   Splitting arguments with read

The 'read' command can be used to split arguments based on any arbitrary character using IFS:

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Tip #533   User input timeout

In bash scripting if you have a situation where you don't want to wait forever for a user to respond, you can use the read command with the -t option which causes read to time out in "number of seconds" specified.

From read command man page:

-t timeout : Cause read to time out and return failure if a complete line of input is not read within timeout seconds. This option has no effect if read is not reading input from the terminal or a pipe.

-p prompt : Display prompt, without a trailing newline, before attempting to read any input. The prompt is displayed only if input is coming from a terminal.

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