Support the '=' command

1 files changed, 5 insertions, 3 deletions

diff --git a/editors/sed.c b/editors/sed.c
index df623465f..4ab721982 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -431,7 +431,7 @@ static char *parse_cmd_str(struct sed_cmd * const sed_cmd, const char *const cmd
 
         /* if it was a single-letter command that takes no arguments (such as 'p'
          * or 'd') all we need to do is increment the index past that command */
-        if (strchr("pd", sed_cmd->cmd)) {
+        if (strchr("pd=", sed_cmd->cmd)) {
                 idx++;
         }
         /* handle (s)ubstitution command */
@@ -451,7 +451,7 @@ static char *parse_cmd_str(struct sed_cmd * const sed_cmd, const char *const cmd
                 idx += parse_file_cmd(sed_cmd, &cmdstr[idx]);
         }
         else {
-                error_msg_and_die("invalid command");
+                error_msg_and_die("Unsupported command %c", sed_cmd->cmd);
         }
 
         /* give back whatever's left over */
@@ -685,7 +685,9 @@ static void process_file(FILE *file)
                                  * actual sedding
                                  */
                                 switch (sed_cmd->cmd) {
-
+                                        case '=':
+                                                printf("%d\n", linenum);
+                                                break;
                                         case 'p':
                                                 puts(line);
                                                 break;