Why I got 141 from PIPESTATUS using certain command line pipe ?
Issue
- Why I got 141 from PIPESTATUS using certain command line pipe ?
The user tried to get status code of certain command using PIPESTATUS array , and got strange return code.
aaa=`{ find . | head -1 ; echo ${PIPESTATUS[0]} ${PIPESTATUS[1]} ; }`
echo $aaa
They expected that both of ${PIPESTATUS[0]} and ${PIPESTATUS[1]} will return 0.
But they found that sometimes, ${PIPESTATUS[0]} return strange return code 141.
]$ aaa=`{ find . | head -1 ; echo ${PIPESTATUS[0]} ${PIPESTATUS[1]} ; }`
]$ echo $aaa
. 141 0
Why 'find .' returns code 141 ?
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
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