http://tldp.org/LDP/abs/html/process-sub.html ã³ãã³ãã®å®è¡çµæãååä»ããã¤ãã§èªãããããã Command list enclosed within parentheses >(command_list) <(command_list) Process substitution uses /dev/fd/ files to send the results of the process(es) within parentheses to another process. man bash ã«ãæ¸ãã¦ãã£ãã æ¢ãæ±ãã¦ãæ©è½ã®1ã¤ã ãããç¥ããªãã£ãããä»ã¾ã§ã¯ã $ ./hoge > hoge.out $ ./fuga > fuga.out $ diff -u hoge.out fuga.outãããªé¢¨ã«tmpãã¡ã¤ã«ä½æãã¦diffã£
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