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Full Discussion: check for "cannot open file"
Top Forums UNIX for Dummies Questions & Answers check for "cannot open file" Post 302108439 by sb008 on Monday 26th of February 2007 02:01:44 PM
Old 02-26-2007
Sorry, I overlooked the "6" size.

Code:
#!/usr/bin/ksh
dirname=/opt/manu/srv
f1=manumgrmdip2_7500.log
f2=manumgrmdip2_7500.pid
export HOST=`hostname`

typset -i f1size f2size
f1size=`wc -c ${dirname}/${f1}`
f2size=`wc -c ${dirname}/${f2}`

if [ ! -r ${dirname}/${f1} -o ! -r ${dirname}/${f2} ]
then
  echo "Either <$dirname/$f1> or <$dirname/$f1> does not exist or is not readable" | mailx -s "Missing files on Manugistics $HOST Server (MDIP2)" user@xyz.com
elif [ ${f1size} -eq 0 -o ${f2size} -eq 0 -o ${f1size} -gt 6 -o ${f2size} -gt 6 ]
then
  echo "Either <$dirname/$f1> or <$dirname/$f2> has an incorrect filesize'" | mailx -s "Error with file sizes on Manugistics $HOST Server (MDIP2)" user@xyz.com < manumgrmdip2_7500.log
fi

It is not exactly clear to me which size is right or wrong, but that's just a matter of changing "-eq" into "-ne" or changing "-gt" into "-ge", "-le", -lt" or whatever.
 

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LEARN ABOUT CENTOS

dirname

DIRNAME(1)							   User Commands							DIRNAME(1)

NAME

       dirname - strip last component from file name

SYNOPSIS

       dirname [OPTION] NAME...

DESCRIPTION

       Output  each  NAME with its last non-slash component and trailing slashes removed; if NAME contains no /'s, output '.' (meaning the current
       directory).

       -z, --zero
	      separate output with NUL rather than newline

       --help display this help and exit

       --version
	      output version information and exit

EXAMPLES

       dirname /usr/bin/
	      -> "/usr"

       dirname dir1/str dir2/str
	      -> "dir1" followed by "dir2"

       dirname stdio.h
	      -> "."

       GNU  coreutils  online  help:  <http://www.gnu.org/software/coreutils/>	Report	dirname  translation   bugs   to   <http://translationpro-
       ject.org/team/>

AUTHOR

       Written by David MacKenzie and Jim Meyering.

COPYRIGHT

       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       basename(1), readlink(1)

       The  full  documentation  for  dirname  is maintained as a Texinfo manual.  If the info and dirname programs are properly installed at your
       site, the command

	      info coreutils 'dirname invocation'

       should give you access to the complete manual.

GNU coreutils 8.22						     June 2014								DIRNAME(1)
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