improve unixify.sh

scripts/unixify.sh

@@ -5,28 +5,41 @@
 # When the new unixified filename is already taken, a counted suffix will be added before an eventuel period in the filename, otherwise just append.
 # Will never overwrite a file.
 
-# usage: inixify.sh [filename]
-# filename  The file to unixify, can be file or folder.
+# usage: unixify.sh path [--doit]
+# path  The file to unixify, can be file or folder.
 
 export IFS=$'\n'
-export fname_full=$1
-#export out=$2;
+rootdir=$1
+really_do_it=$2
 
-function sanitise {
+function usage {
+    echo "usage: unixify.sh path [--doit]"
+    echo ""
+    echo "  path - The file to unixify, can be file or folder"
+    echo "  --doit - dry run unless specified"
+    echo ""
+    echo "Replaces odd characters in filenames and directories with an underline"
+    echo "When the new unixified filename is already taken, a counted suffix will be"
+    echo "added before an eventual dot in the filename, otherwise just appended."
+    echo "Will never overwrite a file."
+    exit 255
+}
+
+function unixify_string {
     local retval=$(echo $1 | gsed -e 's/[^A-Za-z0-9#./_-]/_/g') # replace everything else with _
     retval=$(echo $retval | gsed -e 's/\.\{2,\}/\./g')          # replace >1 consecutive . with one .
     retval=$(echo $retval | gsed -e 's/_\{2,\}/_/g')            # replace >1 consecutive _ with one _
-
     echo $retval
 }
 
-export current_dir=$(dirname $fname_full)
-export current_file=$(basename $fname_full)
-
-export fname_new=$(sanitise $current_file) # unixify
+function unixify_filename {
+    fname_full=$1
+    current_dir=$(dirname $fname_full)
+    current_file=$(basename $fname_full)
+    fname_new=$(unixify_string $current_file) # unixify
 
+    #echo "$fname_full"
     if [ "$current_file" != "$fname_new" ]; then { #any changes been needed?
-
         count=1
         while [ -e $current_dir/$fname_new ]; do { #new filename already taken?
             #echo file exists: $current_dir/$fname_new;
@@ -41,19 +54,36 @@ if [ "$current_file" != "$fname_new" ]; then { #any changes been needed?
             count=$(($count + 1))
         }; done
 
-  echo -n $current_dir/$fname_new
+        cmd="mv '$fname_full' '$current_dir/$fname_new'"
 
-  if [ "$count" -gt 1 ]; then {
-    echo " suffix nr added: $(($count - 1))"
-  }; else {
-    echo ""
+        echo $cmd
+        if [ "$really_do_it" == "--doit" ]; then {
+            eval $cmd
+        }; fi
     }; fi
+}
 
-  export cmd="mv \"$fname_full\" \"$current_dir/$fname_new\""
+function unixify_path_contents {
+    fpath=$1
+    for i in $(find $fpath -mindepth 1 -maxdepth 1 | sort); do {
+        unixify_filename $i;
+    }; done
+    for i in $(find $fpath -mindepth 1 -maxdepth 1 -type d | sort); do {
+        unixify_path_contents $i;
+    }; done
+}
 
-  #  echo $cmd;
-  eval $cmd
-}; else {
-  echo -ne
-  echo $fname_full" filename already ok."
+if [ -z "$rootdir" ]; then {
+    usage
 }; fi
+
+if [ ! -e $rootdir ]; then {
+    echo "$rootdir - no such file or dir"
+    exit 255
+}; fi
+
+if [ "$really_do_it" != "--doit" ]; then {
+    echo "Dry run. Not really doing anything."
+}; fi
+
+unixify_path_contents $rootdir