cleanup and rearrangement

- rearrange sections
- convert tabs to spaces (thanks VSCode)
- general indentation fixes

bak-old.sh

@@ -7,21 +7,17 @@
 ###################################
 version='0.1.0-beta'
 
-### IFS precautions
+### IFS precautions	#
 OLDIFS="$IFS"
 unset IFS
 
-### parse parameters
-# file names
-# `-d` dest dir
-# `-b | -o` mode: cloned file suffix
-# ` ` follow symlinks
-# ` ` lightweight copies
-
-debug(){
-    set -xev
+debug(){ ### function to call when $DEBUG is set
+    set -xv
 }
 
+###############################################################################
+# f() FOR PRINTING PROMPTS
+#############################
 print_usage(){
     cat << HERE
 $(tput bold; tput setaf 3)${0##*/}$(tput sgr0)
@@ -46,12 +42,48 @@ $(tput bold)OPTIONS$(tput sgr0)
     -r  clone a directory and its contents
 HERE
 }
+
 print_version(){
     cat << HERE
 $(tput bold)${0##*/}: v${version}$(tput sgr0)
     by https://github.com/kevinnls
 HERE
 }
+
+print_err(){
+    tput setaf 1
+    case $1 in
+        bo)
+            echo "ERROR: modes backup and old cannot co-exist"
+            ;;
+        01)
+            echo "ERROR: lightweight copy modes cannot co-exist"
+            ;;
+        x)
+            echo "ERROR: unrecognised flags"
+            tput sgr0
+            print_usage
+            ;;
+        *)
+            echo "UNKNOWN ERROR"
+    esac
+    tput sgr0
+    exit 1
+}
+
+copy_succ(){
+    echo " ✅ $(tput setaf 2; tput bold)${1}.${2:-bak}$(tput sgr0)"
+}
+copy_fail(){
+    echo " ❌ $(tput setaf 1; tput bold)${1}$(tput sgr0)"
+}
+copy_nofile(){
+    echo " ❌ $(tput setaf 1; tput bold)${1}$(tput sgr0) : file does not exist"
+}
+
+###############################################################################
+# f() FOR SETTING OPTIONS
+############################
 set_dest(){
     if [[ -n "$1" ]]  && ! realpath -e "$1" >/dev/null 2>&1 ;then
         echo $1 does not exist
@@ -65,26 +97,31 @@ set_mode(){
     if [[ -z $mode ]]; then
         mode=$1
     else
-	print_error 'bo'
+        print_err 'bo'
     fi
 }
 set_weight(){
     if [[ -z "$weight" ]]; then
         weight="$1"
     else
-	print_error '01'
+        print_err '01'
     fi
 }
 add_file(){
     files=("${files[@]}" "$1")
 }
 
+###############################################################################
+# f() FOR PARSING PARAMS AND OPTIONS
+#######################################
+
 in_combi(){
     [[ "$combi" =~ [:alnum:]*($1){1}[:alnum:]* ]]
 }
 un_combi(){
     combi=${combi/$1/}
 }
+
 parse_combined(){
 
     combi="${1/-/}"
@@ -107,52 +144,24 @@ parse_combined(){
     fi
 
     [[ "$combi" =~ [:alnum:]*(d){1} ]] && set_dest $2 && ret=2
+        # setting return value to 2 to shift 2 in caller
+        # in case of -d <dest>
 
     if [[ -z "$combi" ]]; then
         return ${ret:-1}
     else
-	print_error 'x'
+        print_err 'x'
         exit 1
     fi
 }
 
-print_error(){
-    tput setaf 1
-    case $1 in
-	bo)
-	    echo "ERROR: modes backup and old cannot co-exist"
-	    ;;
-	01)
-	    echo "ERROR: lightweight copy modes cannot co-exist"
-	    ;;
-	x)
-	    echo "ERROR: unrecognised flags"
-	    tput sgr0
-	    print_usage
-	    ;;
-	*)
-	    echo "UNKNOWN ERROR"
-    esac
-    tput sgr0
-    exit 1
-}
-copy_succ(){
-    echo " ✅ $(tput setaf 2; tput bold)$file.${mode:-bak}$(tput sgr0)"
-}
-copy_fail(){
-    echo " ❌ $(tput setaf 1; tput bold)$file$(tput sgr0)"
-}
-copy_nofile(){
-    echo " ❌ $(tput setaf 1; tput bold)$file$(tput sgr0) : file does not exist"
-}
-
 ### enable debugging ###
 ${DEBUG+debug}       ###
 ### if $DEBUG is set ###
 
 ###############################################################################
 # SANITISING PARAMS AND OPTIONS
-################################
+##################################
 while [[ $# -gt 0 ]]; do
     case $1 in
     '-h' )
@@ -199,22 +208,25 @@ while [[ $# -gt 0 ]]; do
 done
 
 
-################################################################################
+###############################################################################
 # THE ACTUAL COPYING CODE
-##########################
+############################
 for file in "${files[@]}"; do
     if realpath -e "$file" >/dev/null 2>&1 ;then
+
         src_filepath="$(realpath "$file")"
         dst_filepath="${dest:-${src_filepath%/*}}"
         dst_filename="${src_filepath##*/}.${mode:-bak}"
         cp_weight="--reflink=${weight:-auto}"
+
         cp ${recurse} ${cp_weight} "$src_filepath" "$dst_filepath/$dst_filename"
-	[[ $? -eq 0 ]] && copy_succ || copy_fail
+        [[ $? -eq 0 ]] && copy_succ $file $mode || copy_fail $file
+
     else
-	copy_nofile
+        copy_nofile $file
     fi
 done
 
-### reset IFS
-IFS="$OLDIFS"
-
+### reset IFS###
+IFS="$OLDIFS"  #
+################