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Top Forums Shell Programming and Scripting if loop problem in bourne shell Post 302237748 by ahmad.diab on Thursday 18th of September 2008 09:36:41 AM
Old 09-18-2008
if loop problem in bourne shell

how to use if-loop in bourne shell with multiple conditions like follows

if [ a > b && c > d ]
then
commands
fi

it gives me an error

test: ] missing

then i put
if [[ a > b && c > d ]]
it gives me an error
[[ not found

kindly i need the syntex for the bourne shell
 

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DIRCOLORS(1)								FSF							      DIRCOLORS(1)

NAME
dircolors - color setup for ls SYNOPSIS
dircolors [OPTION]... [FILE] DESCRIPTION
Output commands to set the LS_COLORS environment variable. Determine format of output: -b, --sh, --bourne-shell output Bourne shell code to set LS_COLORS -c, --csh, --c-shell output C shell code to set LS_COLORS -p, --print-database output defaults --help display this help and exit --version output version information and exit If FILE is specified, read it to determine which colors to use for which file types and extensions. Otherwise, a precompiled database is used. For details on the format of these files, run `dircolors --print-database'. AUTHOR
Written by H. Peter Anvin. 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 dircolors is maintained as a Texinfo manual. If the info and dircolors programs are properly installed at your site, the command info dircolors should give you access to the complete manual. dircolors (coreutils) 4.5.3 February 2003 DIRCOLORS(1)
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