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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)							   User Commands						      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
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report dircolors translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 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
Full documentation at: <http://www.gnu.org/software/coreutils/dircolors> or available locally via: info '(coreutils) dircolors invocation' GNU coreutils 8.28 January 2018 DIRCOLORS(1)
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