On Sat, Mar 23, 2024, 16:34 A4-Tacks <wdsjxhno1...@163.com> wrote: > Configuration Information [Automatically generated, do not change]: > Machine: aarch64 > OS: linux-gnu > Compiler: gcc > Compilation CFLAGS: -march=armv8-a -O2 -pipe -fstack-protector-strong > -fno-plt -fexceptions -Wp,-D_FORTIFY_SOURCE=2 -Wformat > -Werror=format-security -fstack-clash-protection > -DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/bin' > -DSTANDARD_UTILS_PATH='/usr/bin' -DSYS_BASHRC='/etc/bash.bashrc' > -DSYS_BASH_LOGOUT='/etc/bash.bash_logout' -DNON_INTERACTIVE_LOGIN_SHELLS > uname output: Linux localhost 4.14.116 #1 SMP PREEMPT Tue Mar 22 15:13:10 > CST 2022 aarch64 GNU/Linux > Machine Type: aarch64-unknown-linux-gnu > > Bash Version: 5.2 > Patch Level: 26 > Release Status: release > > Description: > I am unable to use logical inversion operators in line > arithmetic extensions, nor can I escape them, which is undoubtedly > abnormal > > Repeat-By: > ```bash > $ ((!RANDOM)) > bash: !RANDOM: event not found > ``` >
small workaround (( ! bla )) >
