For each name, theunsetcommand removes the corresponding variable or function value. The special variablesPATH,PS1,PS2,MAILCHECK, andIFcannot be unset. With theexportbuilt-in command, the given names are marked for automatic export to the environment of subsequently executed commands. If no argumen...
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unsetenv variableksh88set [±abCefhkmnopstuvx] [±o option]... [±A name] [arg]...unset [-f] name... **export [name [= value]]...**export [-p]ksh+set [±abCefGhkmnoprstuvx] [±o option]... [±A vname] [arg]......
declare-r BASH_COMPLETION_COMPAT_DIR="/etc/bash_completion.d"declare-arBASH_VERSINFO='([0]="4" [1]="2" [2]="46" [3]="2" [4]="release" [5]="x86_64-redhat-linux-gnu")'declare-ir EUID="0"declare-ir PPID="11854"declare-r SHELLOPTS="braceexpand:emacs:hashall:histexpand:histo...
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Description of changes Fix errors when enabling shellcheck on systemd service scripts (see #311394) Things done Built on platform(s) x86_64-linux aarch64-linux x86_64-darwin aarch64-darwin ...
unsetenv 将删除环境中的 variable。与使用 unset 时一样,不会执行模式匹配。ksh88内置set 的标志具有以下含义:–A数组赋值。取消设置变量 name,并按顺序从 arg 列表中分配值。如果使用了 +A,则不会首先取消设置变量 name。–a自动导出已定义的所有后续变量。–b...
$ readelf main -d | grep path 0x000000000000000f (RPATH) Library rpath: [$ORIGIN] $ ldd main linux-vdso.so.1 => (0x00007ffe13dfe000) lib共享演示库.so => /home/nurdok/code/shared_lib_demo/./lib共享演示库.so (0x00007fbd0ce06000) [..] >— 作者:Amir•Rachum 软件工程师 讲到...
Linux unsetenv(3) man page Author My name is Jan Bodnar, and I am a passionate programmer with extensive programming experience. I have been writing programming articles since 2007. To date, I have authored over 1,400 articles and 8 e-books. I possess more than ten years of experience in...
Some container runtimes, such as podman, can expose a notify socket when used in combination with systemd. The socket's path is available in the NOTIFY_SOCKET envirionment variable. Postgres has na...