l10n: port readlink for translation + add french

src/uu/readlink/locales/en-US.ftl

@@ -1,2 +1,16 @@
 readlink-about = Print value of a symbolic link or canonical file name.
 readlink-usage = readlink [OPTION]... [FILE]...
+
+# Help messages
+readlink-help-canonicalize = canonicalize by following every symlink in every component of the given name recursively; all but the last component must exist
+readlink-help-canonicalize-existing = canonicalize by following every symlink in every component of the given name recursively, all components must exist
+readlink-help-canonicalize-missing = canonicalize by following every symlink in every component of the given name recursively, without requirements on components existence
+readlink-help-no-newline = do not output the trailing delimiter
+readlink-help-quiet = suppress most error messages
+readlink-help-silent = suppress most error messages
+readlink-help-verbose = report error message
+readlink-help-zero = separate output with NUL rather than newline
+
+# Error messages
+readlink-error-missing-operand = missing operand
+readlink-error-ignoring-no-newline = ignoring --no-newline with multiple arguments

src/uu/readlink/locales/fr-FR.ftl

@@ -0,0 +1,16 @@
+readlink-about = Afficher la valeur d'un lien symbolique ou le nom de fichier canonique.
+readlink-usage = readlink [OPTION]... [FICHIER]...
+
+# Messages d'aide
+readlink-help-canonicalize = canonicaliser en suivant chaque lien symbolique dans chaque composant du nom donné de manière récursive ; tous les composants sauf le dernier doivent exister
+readlink-help-canonicalize-existing = canonicaliser en suivant chaque lien symbolique dans chaque composant du nom donné de manière récursive, tous les composants doivent exister
+readlink-help-canonicalize-missing = canonicaliser en suivant chaque lien symbolique dans chaque composant du nom donné de manière récursive, sans exigences sur l'existence des composants
+readlink-help-no-newline = ne pas afficher le délimiteur final
+readlink-help-quiet = supprimer la plupart des messages d'erreur
+readlink-help-silent = supprimer la plupart des messages d'erreur
+readlink-help-verbose = signaler les messages d'erreur
+readlink-help-zero = séparer la sortie avec NUL plutôt qu'une nouvelle ligne
+
+# Messages d'erreur
+readlink-error-missing-operand = opérande manquant
+readlink-error-ignoring-no-newline = ignorer --no-newline avec plusieurs arguments

src/uu/readlink/src/readlink.rs

@@ -13,9 +13,9 @@
 use uucore::error::{FromIo, UResult, USimpleError, UUsageError};
 use uucore::fs::{MissingHandling, ResolveMode, canonicalize};
 use uucore::line_ending::LineEnding;
+use uucore::locale::get_message;
 use uucore::{format_usage, show_error};
 
-use uucore::locale::get_message;
 const OPT_CANONICALIZE: &str = "canonicalize";
 const OPT_CANONICALIZE_MISSING: &str = "canonicalize-missing";
 const OPT_CANONICALIZE_EXISTING: &str = "canonicalize-existing";
@@ -57,14 +57,19 @@
         .get_many::<String>(ARG_FILES)
         .map(|v| v.map(ToString::to_string).collect())
         .unwrap_or_default();
+
     if files.is_empty() {
-        return Err(UUsageError::new(1, "missing operand"));
+        return Err(UUsageError::new(
+            1,
+            get_message("readlink-error-missing-operand"),
+        ));
     }
 
     if no_trailing_delimiter && files.len() > 1 && !silent {
-        show_error!("ignoring --no-newline with multiple arguments");
+        show_error!("{}", get_message("readlink-error-ignoring-no-newline"));
         no_trailing_delimiter = false;
     }
+
     let line_ending = if no_trailing_delimiter {
         None
     } else {
@@ -78,6 +83,7 @@
         } else {
             canonicalize(&p, can_mode, res_mode)
         };
+
         match path_result {
             Ok(path) => {
                 show(&path, line_ending).map_err_context(String::new)?;
@@ -108,65 +114,56 @@
             Arg::new(OPT_CANONICALIZE)
                 .short('f')
                 .long(OPT_CANONICALIZE)
-                .help(
-                    "canonicalize by following every symlink in every component of the \
-                     given name recursively; all but the last component must exist",
-                )
+                .help(get_message("readlink-help-canonicalize"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_CANONICALIZE_EXISTING)
                 .short('e')
                 .long("canonicalize-existing")
-                .help(
-                    "canonicalize by following every symlink in every component of the \
-                     given name recursively, all components must exist",
-                )
+                .help(get_message("readlink-help-canonicalize-existing"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_CANONICALIZE_MISSING)
                 .short('m')
                 .long(OPT_CANONICALIZE_MISSING)
-                .help(
-                    "canonicalize by following every symlink in every component of the \
-                     given name recursively, without requirements on components existence",
-                )
+                .help(get_message("readlink-help-canonicalize-missing"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_NO_NEWLINE)
                 .short('n')
                 .long(OPT_NO_NEWLINE)
-                .help("do not output the trailing delimiter")
+                .help(get_message("readlink-help-no-newline"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_QUIET)
                 .short('q')
                 .long(OPT_QUIET)
-                .help("suppress most error messages")
+                .help(get_message("readlink-help-quiet"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_SILENT)
                 .short('s')
                 .long(OPT_SILENT)
-                .help("suppress most error messages")
+                .help(get_message("readlink-help-silent"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_VERBOSE)
                 .short('v')
                 .long(OPT_VERBOSE)
-                .help("report error message")
+                .help(get_message("readlink-help-verbose"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(OPT_ZERO)
                 .short('z')
                 .long(OPT_ZERO)
-                .help("separate output with NUL rather than newline")
+                .help(get_message("readlink-help-zero"))
                 .action(ArgAction::SetTrue),
         )
         .arg(