Added _exist helper function and setup PAGER

1 files changed, 19 insertions, 1 deletions

diff --git a/.kshrc b/.kshrc
index 47fc7a6..3d2864f 100644
--- a/.kshrc
+++ b/.kshrc
@@ -3,6 +3,11 @@
 #
 # See also oksh(1)
 
+# If helpers exist
+_exists() {
+  type $1 > /dev/null 2>&1
+}
+
 # Don't do anything if we don't have a prompt (not an interactive shell)
 [[ $- != *i* ]] && return || [ -z "$PS1" ] && return
 
@@ -19,7 +24,7 @@ HISTCONTROL=ignoredups:ignorespace
 
 # Some useful aliases
 # If btop is installed then alias top to btop
-[ -e /usr/local/bin/btop ] && alias top="/usr/local/bin/btop"
+_exists && alias top="/usr/local/bin/btop"
 alias ls='ls --color=auto -hv'
 alias config='/usr/local/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME'
 
@@ -39,6 +44,19 @@ __get_current_git_branch_name() {
 		echo -en " $branch_name"
 }
 
+# Pager
+if _exists less; then
+       PAGER=less
+       LESSHISTFILE=-
+#        # -I  ignore case
+#        # -R  colored output
+#        # -X  don't clear on exit
+#        # -Ps string prompt
+       # LESS='-IRXPs %lt-%lb (%Pt-%Pb \%) ░ %bt-%bbb ░ %f ░▒▓'
+       LESS='-IRX'
+       export PAGER LESSHISTFILE LESS
+fi
+
 # Colored man pages
 man() {
   sh -c "man '$@' | col -bx | bat -l man"