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Full Discussion: If file exists count lines
Top Forums Shell Programming and Scripting If file exists count lines Post 302586363 by jim mcnamara on Sunday 1st of January 2012 08:53:01 AM
Old 01-01-2012
one way
Code:
FILE=/home/file.txt

if [ -f $FILE ];
then
   echo "File $FILE exists"
   cnt=$(cat $FILE  | wc -l)  # deliberate UUOC
   if [ $cnt -gt 3 ] ; 
   then
          echo "$FILE is larger than 3 lines"
   fi
else
   echo "File $FILE does not exist"
fi

Is this homework?
 

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LEARN ABOUT REDHAT

fmt

FMT(1)									FSF								    FMT(1)

NAME

       fmt - simple optimal text formatter

SYNOPSIS

       fmt [-DIGITS] [OPTION]... [FILE]...

DESCRIPTION

       Reformat each paragraph in the FILE(s), writing to standard output.  If no FILE or if FILE is `-', read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -c, --crown-margin
	      preserve indentation of first two lines

       -p, --prefix=STRING
	      combine only lines having STRING as prefix

       -s, --split-only
	      split long lines, but do not refill

       -t, --tagged-paragraph
	      indentation of first line different from second

       -u, --uniform-spacing
	      one space between words, two after sentences

       -w, --width=NUMBER
	      maximum line width (default of 75 columns)

       --help display this help and exit

       --version
	      output version information and exit

       In -wNUMBER, the letter `w' may be omitted.

AUTHOR

       Written by Ross Paterson.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

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

	      info fmt

       should give you access to the complete manual.

fmt (coreutils) 4.5.3						   February 2003							    FMT(1)
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