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sed 't' branching command
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ccd43a8301
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@ -406,7 +406,7 @@ static char *parse_cmd_str(sed_cmd_t * const sed_cmd, char *cmdstr)
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cmdstr += parse_file_cmd(sed_cmd, cmdstr);
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}
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/* handle branch commands */
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else if (strchr(":b", sed_cmd->cmd)) {
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else if (strchr(":bt", sed_cmd->cmd)) {
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int length;
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cmdstr += strspn(cmdstr, " ");
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@ -724,6 +724,7 @@ static void process_file(FILE *file)
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do {
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char *next_line;
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sed_cmd_t *sed_cmd;
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int substituted = 0;
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/* Read one line in advance so we can act on the last line, the '$' address */
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next_line = bb_get_chomped_line_from_file(file);
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@ -793,20 +794,16 @@ static void process_file(FILE *file)
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*/
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/* we print the line once, unless we were told to be quiet */
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if (!be_quiet) {
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altered |= do_subst_command(sed_cmd, &line);
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if (altered && ((sed_cmd->linear == NULL) || (sed_cmd->linear->cmd != 's'))) {
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puts(line);
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}
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substituted = do_subst_command(sed_cmd, &line);
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altered |= substituted;
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if (!be_quiet && altered && ((sed_cmd->linear == NULL) || (sed_cmd->linear->cmd != 's'))) {
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puts(line);
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}
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/* we also print the line if we were given the 'p' flag
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* (this is quite possibly the second printing) */
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if (sed_cmd->sub_p) {
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altered |= do_subst_command(sed_cmd, &line);
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if (altered) {
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puts(line);
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}
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if ((sed_cmd->sub_p) && altered) {
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puts(line);
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}
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break;
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case 'a':
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@ -867,6 +864,11 @@ static void process_file(FILE *file)
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case 'b':
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sed_cmd = branch_to(sed_cmd->label);
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break;
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case 't':
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if (substituted) {
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sed_cmd = branch_to(sed_cmd->label);
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}
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break;
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// case ':':
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// break;
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}
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