add cat command

Author: tardypad

README.md

@@ -123,6 +123,10 @@ Opens a given note in your `$EDITOR`. Name can be an absolute path, or a relativ
 
 Removes the given note if it exists. If `-r` or `--recursive` is given, deletes the folders/notes recursively.
 
+### `notes cat <note-name>`
+
+Displays the note
+
 ### `notes grep/find <pattern> | notes open`
 
 Combine these together! This opens each matching note in your `$EDITOR` in turn.

_notes

@@ -24,6 +24,7 @@ __notes_cmd ()
     search:'[pattern] Search notes by filename or content'
     open:'<name> Open a notes for editing by full name'
     rm:'[-r | --recursive] <name> Remove note, or folder if -r or --recursive is given]'
+    cat:'<name> Display a note by name'
     --help:'Show usage'
   )
   _describe -t sub-commands 'sub commands' list && _ret=0
@@ -38,7 +39,7 @@ _notes ()
     _alternative 'sub-commands:files:__notes_cmd' && _ret=0
   elif (($CURRENT == 3)); then
     case $words[2] in
-      open|o|rm)
+      open|o|rm|cat)
         _path_files -W "${note_dir}" && _ret=0;;
       new|n|ls)
         _path_files -W "${note_dir}" -/ && _ret=0;;

notes

@@ -167,6 +167,33 @@ open_note() {
     $EDITOR "$note_path" < /dev/tty
 }
 
+cat_something() {
+    if [[ -p /dev/stdin ]]; then
+        read -d'\n' note_names
+        while read note_name; do
+            cat_note "$note_name"
+        done <<< "$note_names"
+    elif [ $# -gt 0 ]; then
+        cat_note "$*"
+    else
+        printf "Cat requires a name, but none was provided."
+        return 1
+    fi
+}
+
+cat_note() {
+    local note_path=$1
+
+    if [[ "$note_path" != *.$NOTES_EXT ]]; then
+        note_path="$note_path.$NOTES_EXT"
+    fi
+    if [ ! -f "$note_path" ]; then
+        note_path="$notes_dir/$note_path"
+    fi
+
+    cat "$note_path"
+}
+
 usage() {
 	cat <<EOF
 notes is a command line note taking tool.
@@ -180,7 +207,9 @@ Usage:
     notes open|o                          # Open your notes directory
     notes open|o <name>                   # Open a note for editing by full name
     notes rm [-r | --recursive] <name>    # Remove note, or folder if -r or --recursive is given
+    notes cat <name>                      # Display note
     echo <name> | notes open|o            # Open all note filenames piped in
+    echo <name> | notes cat               # Display all note filenames piped in
     notes --help                          # Print this usage information
 
 'command|c' means you can use 'command' or the equivalent shorthand alias 'c'
@@ -222,6 +251,9 @@ main() {
         "rm" )
             cmd="remove_note"
             ;;
+        "cat" )
+            cmd="cat_something"
+            ;;
         --help | -help | -h )
             cmd="usage"
             ;;

notes.1

@@ -10,7 +10,7 @@ is a simple command line tool that makes note taking simpler.
 When run without a command, the help screen will appear and will offer a brief
 description of availible commands.
 
-\fBnotes\fR will run the default editor for your distribution when opening a 
+\fBnotes\fR will run the default editor for your distribution when opening a
 note. You can set $EDITOR in your shell to override it.
 \fBnotes\fR uses a configuration file located at \fB~/.config/notes/config\fR.
 This file overrides any settings in your rc file.
@@ -32,7 +32,7 @@ Searches the contents of all notes for the given pattern. Returns all matches.
 Combination of find and grep.
 .TP
 .BR ls " " \fR[\fIDIRECTORY\fR]
-Lists all notes within \fIDIRECTORY\fR. Lists contents of $NOTES_DIRECTORY if 
+Lists all notes within \fIDIRECTORY\fR. Lists contents of $NOTES_DIRECTORY if
 no path is provided.
 .TP
 .BR open ", " o
@@ -44,6 +44,10 @@ absolute path or relative to $NOTES_DIRECTORY.
 .TP
 .BR rm " "\fR[\fB\-r\fR | \fB\-\-recursive\fR] " "\fINAME\fR
 Removes \fINAME\fR. If \-r or \-\-recursive is given, folders will be removed.
+.TP
+.BR cat " " \fINAME\fR
+Display note \fINAME\fR. \fINAME\fR can either be an absolute path or relative
+to $NOTES_DIRECTORY.
 .SH AUTHORS
 Notes was created by Tim Perry, who is still the maintainer. Numerous
 contributions have been submitted via pull requests on github.

notes.bash_completion

@@ -16,7 +16,7 @@ _notes_complete_notes() {
 }
 
 _notes_complete_commands() {
-    local valid_commands="new find grep open ls rm"
+    local valid_commands="new find grep open ls rm cat"
     COMPREPLY=($(compgen -W "${valid_commands}" -- "${1}"))
 }
 
@@ -40,6 +40,9 @@ _notes()
             open)
                 _notes_complete_notes "$cur"
                 ;;
+            cat)
+                _notes_complete_notes "$cur"
+                ;;
         esac
     else
         compopt +o nospace

test/test-cat.bats

@@ -0,0 +1,75 @@
+#!./test/libs/bats/bin/bats
+
+load 'libs/bats-support/load'
+load 'libs/bats-assert/load'
+load 'helpers'
+
+setup() {
+  setupNotesEnv
+}
+
+teardown() {
+  teardownNotesEnv
+}
+
+notes="./notes"
+
+@test "Should show created note" {
+  echo line1 >> "$NOTES_DIRECTORY/note.md"
+  echo line2 >> "$NOTES_DIRECTORY/note.md"
+  run $notes cat note.md
+
+  assert_success
+  assert_output $'line1\nline2'
+}
+
+@test "Accepts names without .md to show" {
+  echo line1 >> "$NOTES_DIRECTORY/note.md"
+  echo line2 >> "$NOTES_DIRECTORY/note.md"
+  run $notes cat note
+
+  assert_success
+  assert_output $'line1\nline2'
+}
+
+@test "Should fail to show non-existent note" {
+  run $notes cat note
+
+  assert_failure
+}
+
+@test "Accepts relative notes paths to show" {
+  echo line1 >> "$NOTES_DIRECTORY/note.md"
+  echo line2 >> "$NOTES_DIRECTORY/note.md"
+  run $notes cat $NOTES_DIRECTORY/note.md
+
+  assert_success
+  assert_output $'line1\nline2'
+}
+
+@test "Show a file passed by pipe from find" {
+  echo line1 >> "$NOTES_DIRECTORY/note.md"
+  echo line2 >> "$NOTES_DIRECTORY/note.md"
+
+  run bash -c "$notes find | $notes cat"
+
+  assert_success
+  assert_output $'line1\nline2'
+}
+
+@test "Show multiple files passed by pipe from find" {
+  echo line1 >> "$NOTES_DIRECTORY/note.md"
+  echo line2 >> "$NOTES_DIRECTORY/note2.md"
+
+  run bash -c "$notes find | $notes cat"
+
+  assert_success
+  assert_output $'line1\nline2'
+}
+
+@test "Should complain and ask for a name if one is not provided to show" {
+  run $notes cat
+
+  assert_failure
+  assert_line "Cat requires a name, but none was provided."
+}