...end+0x27/0x30 [<ffffffff81331b3f>] fuse_flush+0x17f/0x200 [<ffffffff81218fd2>] filp_close+0x32/0x80 [<ffffffff8123ac53>] __close_fd+0xa3/0xd0 [<ffffffff81219043>] SyS_close+0x23/0x50 [<ffffffff8186281b>] entry_SYSCALL_64_fastpath+0x22/0xcb [<ffffffffffffffff>] 0xffffffffffffffff 怎么卡...

... This needs bash 4.1 if you use {fd} or local -n. The rest should work in bash 3.x I hope. I am not completely sure due to printf %q - this might be a bash 4 feature. Summary Your example can be modified as follows to archive the desired effect: # ...

...u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u1...

...: 4004d6: 41 55 push r13 4004d8: 41 89 fd mov r13d,edi 4004db: 41 54 push r12 4004dd: 41 89 f4 mov r12d,esi 4004e0: 55 push rbp 4004e1: bd 00 c2 eb 0b ...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...

..... Tracing open syscalls... Hit Ctrl-C to end. PID COMM FD ERR PATH 4235 head -1 2 tls/x86_64/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/x86_64/libc.so.6 4235 head -1 2 tls/lib...