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Top Forums Shell Programming and Scripting [BASH] recognise new line regex in case statement Post 302359023 by Scrutinizer on Monday 5th of October 2009 03:27:29 PM
Old 10-05-2009
Hi ASGR,

You can use "" for an empty line:
Code:
while read line; do
  case $line in
    ""|\#* ) : ;;
    \[*\]  ) do_label;;
    *      ) do_error;;
  esac
done < $filename

S.
 

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line(1)                                                            User Commands                                                           line(1)

NAME
line - read one line SYNOPSIS
line DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal. EXIT STATUS
Exit status is: 0 Successful completion >0 End-of-file on input. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), read(2), attributes(5) SunOS 5.10 1 Feb 1995 line(1)
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