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Top Forums Shell Programming and Scripting Please help to debug a small shell script (maybe AWK problem)? Post 302247283 by Perderabo on Wednesday 15th of October 2008 10:16:44 AM
Old 10-15-2008
While I agree with the double quotes as a good general practice, it won't solve your problem:

mail -s "High load on procede02" $mail_to < `uptime`

You can't do that. You are trying to use the output of uptime as a file to be opened. You don't have a file by that name, so you get the "can not open".

And [43] means the shell was at line 43 on the script when it decided it had a problem. Sometimes the error is earlier in the file, but never later.
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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