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authorYorhel <git@yorhel.nl>2021-05-12 16:30:31 +0200
committerYorhel <git@yorhel.nl>2021-05-12 16:30:43 +0200
commita6b4aead43cf7ecaa3f4d01503244a13e67b3f09 (patch)
tree6ae9702229004844c9f9497171ff629ecf144759 /doc/ncdu.pod
parente2786604643f3453501aebcfe5d9037dbb6e8a77 (diff)
Add $NCDU_LEVEL environment variable when spawning a shell
Similar to $SHLVL and $RANGER_LEVEL.
Diffstat (limited to 'doc/ncdu.pod')
-rw-r--r--doc/ncdu.pod6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/ncdu.pod b/doc/ncdu.pod
index 7fc04f5..02ac48a 100644
--- a/doc/ncdu.pod
+++ b/doc/ncdu.pod
@@ -287,6 +287,12 @@ run ncdu as follows:
export NCDU_SHELL=vifm
ncdu
+Ncdu will set the C<NCDU_LEVEL> environment variable or increment it before
+spawning the shell. This variable allows you to detect when your shell is
+running from within ncdu, which can be useful to avoid nesting multiple
+instances of ncdu. Ncdu itself does not (currently) warn when attempting to run
+nested instances.
+
=item q
Quit