Changeset 3301452 in mainline

Timestamp:

2018-12-11T11:39:31Z (5 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ac2caecb

Parents:

25cfc3d

Message:

adding proper extended help message

Location:

uspace/app/bdsh/cmds/modules

Files:

• alias/alias.c (modified) (1 diff)
• unalias/unalias.c (modified) (1 diff)

uspace/app/bdsh/cmds/modules/alias/alias.c

@@ -87 +87 @@
 void help_cmd_alias(unsigned int level)
 {
-        printf("`%s' sets an alias, displays an alias or lists all aliases\n", cmdname);
-        return;
+        if (level == HELP_SHORT) {
+                printf("`%s' sets an alias, displays an alias or lists all aliases\n", cmdname);
+        } else {
+                help_cmd_alias(HELP_SHORT);
+                printf("Usage: `%s' [newalias[='existingCMD --flags] ...]'\n\n"
+                    "If no parameters are given it will display all existing aliases.\n"
+                    "If a parameter without an assignment is given, the value of the given alias will be returned.\n"
+                    "If a parameter with an assignment is given, the alias will be created or updated for the given value. "
+                    "It is possible to create an alias to a different alias. A circularity will prevent an alias to be resolved.\n",
+                    cmdname);
+        }
 }
 

uspace/app/bdsh/cmds/modules/unalias/unalias.c

@@ -54 +54 @@
 void help_cmd_unalias(unsigned int level)
 {
-        printf("`%s' removes an alias or all aliases with -a\n", cmdname);
-        return;
+        if (level == HELP_SHORT) {
+                printf("`%s' removes an alias or all aliases with -a\n", cmdname);
+        } else {
+                help_cmd_unalias(HELP_SHORT);
+                printf("Usage: `%s' [-a] name [name ...]'\n\n"
+                    "If no parameters are given it will display this help message.\n"
+                    "If the flag -a is given, all existing aliases will be removed.\n"
+                    "If one or multiple parameters are given, then those aliases will be removed.\n",
+                    cmdname);
+        }
 }