add bash scripts

code/misc/bash/nnn/cdonquit.sh

@@ -0,0 +1,33 @@
+
+function n ()
+{
+    # Block nesting of nnn in subshells
+    [ "${NNNLVL:-0}" -eq 0 ] || {
+        echo "nnn is already running"
+        return
+    }
+
+    # The behaviour is set to cd on quit (nnn checks if NNN_TMPFILE is set)
+    # If NNN_TMPFILE is set to a custom path, it must be exported for nnn to
+    # see. To cd on quit only on ^G, remove the "export" and make sure not to
+    # use a custom path, i.e. set NNN_TMPFILE *exactly* as follows:
+    #      NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
+    export NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
+
+    # Unmask ^Q (, ^V etc.) (if required, see `stty -a`) to Quit nnn
+    # stty start undef
+    # stty stop undef
+    # stty lwrap undef
+    # stty lnext undef
+
+    # The command builtin allows one to alias nnn to n, if desired, without
+    # making an infinitely recursive alias
+    command nnn "$@"
+
+    [ ! -f "$NNN_TMPFILE" ] || {
+        . "$NNN_TMPFILE"
+        rm -f "$NNN_TMPFILE" > /dev/null
+    }
+}
+
+

code/misc/bash/nnn/ewrap.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+
+if [ -n "$TMUX" ] ; then
+    # tmux session running
+    tmux split-window -h "nano \"$*\""
+else
+    # Remove option --tab for new window
+    #xfce4-terminal --tab -e "vim \"$*\""
+    tmux split-window -h "vim \"$*\""
+    #gnome-terminal --tab -e "vim \"$*\""
+fi

code/misc/bash/nnn/nnn-preview.sh

@@ -0,0 +1,39 @@
+nnn-preview ()
+{
+    # Block nesting of nnn in subshells
+    if [ -n "$NNNLVL" ] && [ "${NNNLVL:-0}" -ge 1 ]; then
+        echo "nnn is already running"
+        return
+    fi
+
+    # The default behaviour is to cd on quit (nnn checks if NNN_TMPFILE is set)
+    # If NNN_TMPFILE is set to a custom path, it must be exported for nnn to see.
+    # To cd on quit only on ^G, remove the "export" and set NNN_TMPFILE *exactly* as this:
+    #     NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
+    export NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
+
+    # This will create a fifo where all nnn selections will be written to
+    NNN_FIFO="$(mktemp --suffix=-nnn -u)"
+    export NNN_FIFO
+    (umask 077; mkfifo "$NNN_FIFO")
+
+    # Preview command
+    preview_cmd="/media/dl92/mydata/projects/code/Bash/nnn/preview_cmd.sh"
+
+    # Use `tmux` split as preview
+    if [ -e "${TMUX%%,*}" ]; then
+        tmux split-window -e "NNN_FIFO=$NNN_FIFO" -dh "$preview_cmd"
+
+    # Use `xterm` as a preview window
+    elif (which xterm &> /dev/null); then
+        xterm -e "$preview_cmd" &
+
+    # Unable to find a program to use as a preview window
+    else
+        echo "unable to open preview, please install tmux or xterm"
+    fi
+
+    nnn "$@"
+
+    rm -f "$NNN_FIFO"
+}

code/misc/bash/nnn/nnnconfig.sh

@@ -0,0 +1,14 @@
+
+
+source /home/ys/Data/projects/code/Bash/nnn/cdonquit.sh
+alias n='n -de'
+#export PATH="$HOME/Data/projects/devtools/git/nnn:$HOME/.local/bin:$PATH"
+export NNN_PLUG='p:preview-tui'
+#export TERM=xterm-256color
+export NNN_FIFO=/tmp/nnn.fifo
+export EDITOR='sudo nano'
+export VISUAL='sudo nano'
+#export NNN_TMPFILE="/tmp/nnn"
+#"$HOME/.config/nnn/.lastd"
+
+#export NNN_ICONLOOKUP= 1 

code/misc/bash/nnn/preview_cmd.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env sh
+# #############################################################################
+# File: preview_cmd.sh
+# Description: Minimal example to preview files and directories
+#              No external dependencies
+#              Can be easily extended
+#              Automatically exits when the NNN_FIFO closes
+#              Prints a `tree` if directory or `head` if it's a file
+#
+# Shell: POSIX compliant
+# Author: Todd Yamakawa
+#
+# ToDo:
+#   1. Add support for more types of files
+#         e.g. binary files, we shouldn't try to `head` those
+# #############################################################################
+
+# Check FIFO
+NNN_FIFO=${NNN_FIFO:-$1}
+if [ ! -r "$NNN_FIFO" ]; then
+    echo "Unable to open \$NNN_FIFO='$NNN_FIFO'" | less
+    exit 2
+fi
+
+# Read selection from $NNN_FIFO
+while read -r selection; do
+    clear
+    lines=$(($(tput lines)-1))
+    cols=$(tput cols)
+
+    # Print directory tree
+    if [ -d "$selection" ]; then
+        cd "$selection" || continue
+        tree | head -n $lines | cut -c 1-"$cols"
+        continue
+    fi
+
+    # Print file head
+    if [ -f "$selection" ]; then
+        head -n $lines "$selection" | cut -c 1-"$cols"
+        continue
+    fi
+
+    # Something went wrong
+    echo "Unknown type: '$selection'"
+done < "$NNN_FIFO"

code/misc/bash/nnn/selected

@@ -0,0 +1 @@
+nnnconfig.sh