Bash config: add hist-grep func (+ hist-del-last helper alias)

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

1 files changed, 20 insertions, 5 deletions

diff --git a/.bashrc b/.bashrc
index 653efa2..942a38b 100644
--- a/.bashrc
+++ b/.bashrc
@@ -15,12 +15,29 @@ HISTCONTROL=ignoreboth
 PROMPT_COMMAND='(history -a)'
 PS1='\[\033[01;34m\]\u@\h\[\033[00m\]:\[\033[01;36m\]\w\[\033[00m\]\$ '
 
+# op(t)inioned commands
 alias mc='LESS="-RSX" mc'
 alias tmux='tmux -2'
 
+# debug, etc.
+alias hist-del-last='history -d $(history 1 | cut -d" " -f2)'  # historical NOOP
+
+# proper aliases
 alias gmy="pushd ~/wrkspc/gmy >/dev/null"
 alias gwork="pushd ~/wrkspc/gwork >/dev/null"
 
+
+# debug, etc.
+
+debug-argsep () {
+	while [ $# -ne 0 ]; do
+		echo $1;
+		shift
+	done
+}
+
+# proper functions
+
 cdup () {
 	local up="."
 	for i in $(seq 1 $1); do up+="/.."; done
@@ -45,9 +62,7 @@ ack-intersection () {
 	comm <(ack -al --follow "Topic" | sort) <(ack -al --follow "news" | sort) -12
 }
 
-debug-argsep () {
-	while [ $# -ne 0 ]; do
-		echo $1;
-		shift
-	done
+hist-grep () {
+	hist-del-last  # omit hist-grep invocation
+	grep $* -- ~/.bash_history
 }