[ -s FILE ] å¦æ FILE åå¨ä¸å¤§å°ä¸ä¸º0å为çã
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[ -a FILE ] å¦æ FILE åå¨å为çã
[ -b FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªåç¹æ®æ件å为çã
[ -c FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªåç¹æ®æ件å为çã
[ -d FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªç®å½å为çã
[ -e FILE ] å¦æ FILE åå¨å为çã
[ -f FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªæ®éæ件å为çã
[ -g FILE ] å¦æ FILE åå¨ä¸å·²ç»è®¾ç½®äºSGIDå为çã
[ -h FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªç¬¦å·è¿æ¥å为çã
[ -k FILE ] å¦æ FILE åå¨ä¸å·²ç»è®¾ç½®äºç²å¶ä½å为çã
[ -p FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªåå管é(Få¦æO)å为çã
[ -r FILE ] å¦æ FILE åå¨ä¸æ¯å¯è¯»çå为çã
[ -s FILE ] å¦æ FILE åå¨ä¸å¤§å°ä¸ä¸º0å为çã
[ -t FD ] å¦ææ件æ述符 FD æå¼ä¸æåä¸ä¸ªç»ç«¯å为çã
[ -u FILE ] å¦æ FILE åå¨ä¸è®¾ç½®äºSUID (set user ID)å为çã
[ -w FILE ] å¦æ FILE å¦æ FILE åå¨ä¸æ¯å¯åçå为çã
[ -x FILE ] å¦æ FILE åå¨ä¸æ¯å¯æ§è¡çå为çã
[ -O FILE ] å¦æ FILE åå¨ä¸å±ææç¨æ·IDå为çã
[ -G FILE ] å¦æ FILE åå¨ä¸å±ææç¨æ·ç»å为çã
[ -L FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªç¬¦å·è¿æ¥å为çã
[ -N FILE ] å¦æ FILE åå¨ and has been modå¦æied since it was last readå为çã
[ -S FILE ] å¦æ FILE åå¨ä¸æ¯ä¸ä¸ªå¥æ¥åå为çã
[ FILE1 -nt FILE2 ] å¦æ FILE1 has been changed more recently than FILE2, or å¦æ FILE1 exists and FILE2 does notå为çã
[ FILE1 -ot FILE2 ] å¦æ FILE1 æ¯ FILE2 è¦è, æè
FILE2 åå¨ä¸ FILE1 ä¸åå¨å为çã
[ FILE1 -ef FILE2 ] å¦æ FILE1 å FILE2 æåç¸åç设å¤åèç¹å·å为çã
[ -o OPTIONNAME ] å¦æ shellé项 âOPTIONNAMEâ å¼å¯å为çã
[ -z STRING ] âSTRINGâ çé¿åº¦ä¸ºé¶å为çã å符串为空å³NULLæ¶ä¸ºçã
[ -n STRING ] or [ STRING ] âSTRINGâ çé¿åº¦ä¸ºéé¶ non-zeroå为çãå -nä¸ä¸å -nç»æç¸åã
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