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#!/bin/dash
# Test file to test 'for do done' loops.
# You can start this script like: $0 {-ne -gt -le ...} (all numeric operators
# are allowed!
# All this works and should be OK
################################################################################
#
# For loop without 'in list'. Uses $1 $2 ... This is a special case!
# This 'for Var, do, done' is a very handy solution AND no real replacement
# available!
#
Function1 () {
echo "Function1: for loop inside a function:\t\c"
[ "$*" ] || echo "none\c"
for Var
do
[ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
done
echo
} # End of Function1
################################################################################
#
# For loop with 'in list' $*
#
Function2 () {
echo "Function2: for loop inside a function:\t\c"
for Var in $*
do
[ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
done ; echo
} # End of Function2
################################################################################
#
# For loop with 'in list' $@. Works the same way as $*
#
Function3 () {
echo "Function3: for loop inside a function:\t\c"
for Var in $@
do
[ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
done ; echo
} # End of Function3
################################################################################
#
# For loop with 'in list' "$@". Special case. Works like "$1" "$2" ...
#
Function4 () {
echo "Function4: for loop inside a function:\t\c"
for Var in "$@"
do
[ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
done ; echo
} # End of Function4
################################################################################
# main ### main ### main ### main ### main ### main ### main ### main ### main #
################################################################################
#
# Here is the heart of this script:
#
echo "Processing the following command line arguments: ${*:-none}"
echo "Script: for loop outside a function:\t\c"
for Var
do
[ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
done ; echo
# Same as function calls
Function1 -eq -ne -gt -ge -le -lt
Function2 -eq -ne -gt -ge -le -lt
Function3 -eq -ne -gt -ge -le -lt
Function4 -eq -ne -gt -ge -le -lt '-ge 1 -a 2 -ge'
# Now the same call like Function4 but with Function1
Function1 -eq -ne -gt -ge -le -lt '-ge 1 -a 2 -ge'
Function1
exit $?
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