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#1
10-03-2006
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multiple Logical statement
hi I have following if condition
line_by_line="0000000000000ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt ttttttt" if [ `expr substr "$line_by_line" 1 13` == "0000000000000" ] then echo "Exclusion criteria" else echo "Not exclusion criteria" fi above condition works perfectley but if i add one more logical condition as below line_by_line="00000000000000000000000000tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt tttttttttttttttttttt" if [ `expr substr "$line_by_line" 1 13` == "0000000000000" || `expr substr "$line_by_line" 26 12` == "UA ITEM FROM" ] then echo "Exclusion criteria" else echo "Not exclusion criteria" fi it throws the error as test_script.sh: line 4: tttttttttttt: command not found any clue on above error 
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#2
10-03-2006
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try this
Code:
if [ `expr substr "$line_by_line" 1 13` == "0000000000000" -o `expr substr "$line_by_line" 26 12` == "UA ITEM FROM" ] Code:
if [ `expr substr "$line_by_line" 1 13` == "0000000000000" ] || [ `expr substr "$line_by_line" 26 12` == "UA ITEM FROM" ]
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#3
10-03-2006
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you can also use this
Code:
if [[ `expr substr "$line_by_line" 1 13` == "0000000000000" || `expr substr "$line_by_line" 26 12` == "UA ITEM FROM" ]] && and || are used withing double brackets
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