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authorNorbert Preining <preining@logic.at>2010-09-10 14:34:06 +0000
committerNorbert Preining <preining@logic.at>2010-09-10 14:34:06 +0000
commit6e00b8d5b304a09a59b4e7d2fa2535dbd831af7e (patch)
treec6d80910586a6c9ce19861de16dfac71a9d0a34c /Master/texmf
parentb079e05f637ac414e6c2b001d608f4cd6fe89ecd (diff)
tlmgr: add -R if LESS is already defined in the environment
git-svn-id: svn://tug.org/texlive/trunk@19638 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf')
-rwxr-xr-xMaster/texmf/scripts/texlive/tlmgr.pl8
1 files changed, 6 insertions, 2 deletions
diff --git a/Master/texmf/scripts/texlive/tlmgr.pl b/Master/texmf/scripts/texlive/tlmgr.pl
index 5f049a10117..0d939e5297f 100755
--- a/Master/texmf/scripts/texlive/tlmgr.pl
+++ b/Master/texmf/scripts/texlive/tlmgr.pl
@@ -260,8 +260,12 @@ sub main {
}
# in some cases LESSPIPE of less breaks control characters
# and the output of pod2usage is broken.
- # We set LESS=-R in the environment and unset LESSPIPE to be sure
- $ENV{'LESS'} = "-R";
+ # We add/set LESS=-R in the environment and unset LESSPIPE to be sure
+ if (defined($ENV{'LESS'})) {
+ $ENV{'LESS'} .= " -R";
+ } else {
+ $ENV{'LESS'} = "-R";
+ }
delete $ENV{'LESSPIPE'};
delete $ENV{'LESSOPEN'};
if ($action && ($action ne "help")) {