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| author | Bastien Roucariès <rouca@debian.org> | 2021-01-28 12:00:51 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2021-01-28 12:11:06 +0100 |
| commit | 2768c481079fa520c240b2a734218356325fe548 (patch) | |
| tree | 83d05693d8918517d63b6fd2ab766e00868ea55a | |
| parent | 7939275a0adc0d18a393e9503a3f47d27b38e74c (diff) | |
| download | man-pages-2768c481079fa520c240b2a734218356325fe548.tar.gz | |
environ.7: Document convention of string in environ
Document the name=value system and that nul byte is forbidden.
Signed-off-by: Bastien Roucariès <rouca@debian.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man7/environ.7 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/man7/environ.7 b/man7/environ.7 index 47761a9507..f683b60283 100644 --- a/man7/environ.7 +++ b/man7/environ.7 @@ -52,9 +52,15 @@ it inherits a .I copy of its parent's environment. .PP -By convention the strings in +By convention, the strings in .I environ have the form "\fIname\fP\fB=\fP\fIvalue\fP". +Names of environment variables are case-sensitive and must not contain +the character "\fB=\fP". The values of environment variables can be anything +that can be represented as a string. A value and a name must not contain an +embedded null byte (\(aq\e0\(aq), +since this is assumed to terminate the string. +.PP Common examples are: .TP .B USER |