New command -launch_frontend
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@ -4014,6 +4014,53 @@ File: xorriso.info, Node: Frontend, Next: ExDevices, Prev: Scripting, Up: Co
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*list_sev*
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Print to the result channel a blank separated list of all severity
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names. Sorted from low to high severity.
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-launch_frontend program_with_args command_pipe reply_pipe
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Start the program that is given as first word in parameter
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program_with_args. Submit the other words from that parameter as
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program arguments. Enable xorriso dialog mode.
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xorriso will abort when the started program ends or if it cannot
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be started at all. In both cases it will return a non-zero exit
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value. The exit value will be zero if the frontend sends -end or
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-rollback_end before ending itself.
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This command may be totaly banned at compile time. It is banned by
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default if xorriso runs under setuid permissions.
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The program name will not be searched in the $PATH directories.
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To make this clear, it must contain at least one /-character.
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Best is an absolute path. Like: /usr/bin/wish
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If one of command_pipe and reply_pipe is empty, then two nameless
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pipe objects are created. xorriso standard input gets connected to
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the standard output of the started program. xorriso standard
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output and standard error get connected to the standard input of
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that program.
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The frontend program should first send via its standard output:
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-mark 0 -pkt_output on -msg_op start_sieve -
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It should be ready to decode -pkt_output and to react on -mark
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messages. Best is to increment the -mark number after each sent
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command sequence and then to wait for the new number to show up in
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a mark message:
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some ... commands -mark <incremented_number>
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Further are advised:
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-report_about UPDATE -abort_on NEVER
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-iso_rr_pattern off -disk_pattern off
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A check of the xorriso version should be done, in order to make
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sure that all desired features are present.
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If command_pipe and reply_pipe are not empty, then create named
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pipes with these names and use them for the connection to the
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standard input and standard output of the started program. It is
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not an error if the named pipes already exist.
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With named pipes it is important that the frontend program opens
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the command_pipe first. This is because xorriso will block at this
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pipe until the frontend opens it. If the frontend would try to
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open reply_pipe first, then it would block there and create a
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deadlock situation.
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Command -launch_frontend will only work once per xorriso run. If
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all three command parameters are submitted as empty texts, then no
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program will be started but nevertheless -launch_frontend will be
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irrevocably disabled. If parameter program_with_args is submitted
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as empty text and both pipe parameters are non-empty, then no
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program will be started but the standard i/o channels of xorriso
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will get connected to named pipes.
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-prog text
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Use text as name of this program in subsequent messages
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@ -4724,6 +4771,8 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
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* -iso_rr_pattern controls pattern expansion: Manip. (line 10)
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* -jigdo clears JTE or or adds parameter to JTE: Jigdo. (line 33)
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* -joliet enables production of Joliet tree: SetWrite. (line 10)
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* -launch_frontend starts frontend program at pipes: Frontend.
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(line 113)
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* -list_arg_sorting prints sorting order of -x: ArgSort. (line 27)
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* -list_delimiter replaces '--': Scripting. (line 60)
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* -list_extras lists compile time extra features: Scripting.
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@ -4776,8 +4825,8 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
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* -print_info prints message text line: Scripting. (line 102)
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* -print_mark prints synchronizing text line: Scripting. (line 105)
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* -print_size predicts image size: Inquiry. (line 91)
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* -prog sets program name: Frontend. (line 113)
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* -prog_help prints help text: Frontend. (line 116)
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* -prog sets program name: Frontend. (line 160)
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* -prog_help prints help text: Frontend. (line 163)
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* -prompt prompts for enter key: Scripting. (line 110)
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* -publisher sets publisher id: SetWrite. (line 186)
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* -pvd_info shows image id strings: Inquiry. (line 104)
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@ -5047,7 +5096,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
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* Program, end without writing, -rollback_end: Scripting. (line 159)
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* Program, list extra features, -list_extras: Scripting. (line 26)
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* Program, print help text, -help: Scripting. (line 20)
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* Program, print help text, -prog_help: Frontend. (line 116)
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* Program, print help text, -prog_help: Frontend. (line 163)
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* Program, print message text line, -print_info: Scripting. (line 102)
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* Program, print result text line, -print: Scripting. (line 99)
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* Program, print synchronizing text line, -print_mark: Scripting.
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@ -5055,7 +5104,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
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* Program, print version, -version: Scripting. (line 23)
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* Program, prompt for enter key, -prompt: Scripting. (line 110)
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* Program, replace --, -list_delimiter: Scripting. (line 60)
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* Program, set name, -prog: Frontend. (line 113)
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* Program, set name, -prog: Frontend. (line 160)
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* Program, show current settings, -status: Scripting. (line 47)
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* Program, status history, -status_history_max: Scripting. (line 56)
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* Program, wait a time span, -sleep: Scripting. (line 114)
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@ -5161,28 +5210,28 @@ Node: Restore174782
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Node: Emulation181692
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Node: Scripting191504
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Node: Frontend198665
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Node: Examples204596
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Node: ExDevices205774
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Node: ExCreate206433
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Node: ExDialog207718
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Node: ExGrowing208983
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Node: ExModifying209788
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Node: ExBootable210292
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Node: ExCharset210844
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Node: ExPseudo211665
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Node: ExCdrecord212563
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Node: ExMkisofs212880
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Node: ExGrowisofs214220
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Node: ExException215355
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Node: ExTime215809
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Node: ExIncBackup216268
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Node: ExRestore220260
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Node: ExRecovery221220
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Node: Files221790
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Node: Seealso223089
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Node: Bugreport223812
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Node: Legal224393
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Node: CommandIdx225404
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Node: ConceptIdx241495
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Node: Examples207358
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Node: ExDevices208536
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Node: ExCreate209195
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Node: ExDialog210480
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Node: ExGrowing211745
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Node: ExModifying212550
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Node: ExBootable213054
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Node: ExCharset213606
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Node: ExPseudo214427
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Node: ExCdrecord215325
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Node: ExMkisofs215642
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Node: ExGrowisofs216982
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Node: ExException218117
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Node: ExTime218571
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Node: ExIncBackup219030
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Node: ExRestore223022
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Node: ExRecovery223982
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Node: Files224552
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Node: Seealso225851
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Node: Bugreport226574
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Node: Legal227155
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Node: CommandIdx228166
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Node: ConceptIdx244395
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End Tag Table
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