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Run vsim from dmenu — it only works when directly invoked in the terminal
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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0;
}
- Works:
vsim
,sh -c vsim
- Doesn't work:
echo "vsim" | sh
,echo "vsim" | xargs -I {} sh -c "{}"
I want to run ModelSim (vsim
) with dmenu
, which is triggered using xbindkeys
.
Details
vsim
is a executable for ModelSim, installed in /opt/altera/modelsim_ase/bin
.
When I run it directly, it runs. But when I run it with xargs
(eg. from dmenu), it does not work at all - the script itself launches, but probably in the wrong directory or something, I'm really clueless what's wrong.
My path (I added newlines for clarity):
[ondra@x201 ~]$ echo $PATH
/usr/local/sbin:
/usr/local/bin:
/usr/bin:
/usr/lib/jvm/default/bin:
/usr/bin/site_perl:
/usr/bin/vendor_perl:
/usr/bin/core_perl:
/opt/altera/quartus/bin:
/opt/altera/modelsim_ase/bin:
/home/ondra/bin:
/home/ondra/.gem/ruby/2.1.0/bin:
/opt/altera/University_Program/Monitor_Program/bin/bin
Where is vsim
?
[ondra@x201 ~]$ which vsim
/opt/altera/modelsim_ase/bin/vsim
Run it with xargs
:
[ondra@x201 ~]$ echo "vsim" | xargs -I {} sh -c '{} &'
[ondra@x201 ~]$ Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# 10.1d
#
# <EOF>
^C
Run it directly:
[ondra@x201 ~]$ vsim
Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# --- and modelsim starts fine now ---
Any ideas welcome.
shell command-line terminal stdin
bumped to the homepage by Community♦ 59 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
|
show 12 more comments
- Works:
vsim
,sh -c vsim
- Doesn't work:
echo "vsim" | sh
,echo "vsim" | xargs -I {} sh -c "{}"
I want to run ModelSim (vsim
) with dmenu
, which is triggered using xbindkeys
.
Details
vsim
is a executable for ModelSim, installed in /opt/altera/modelsim_ase/bin
.
When I run it directly, it runs. But when I run it with xargs
(eg. from dmenu), it does not work at all - the script itself launches, but probably in the wrong directory or something, I'm really clueless what's wrong.
My path (I added newlines for clarity):
[ondra@x201 ~]$ echo $PATH
/usr/local/sbin:
/usr/local/bin:
/usr/bin:
/usr/lib/jvm/default/bin:
/usr/bin/site_perl:
/usr/bin/vendor_perl:
/usr/bin/core_perl:
/opt/altera/quartus/bin:
/opt/altera/modelsim_ase/bin:
/home/ondra/bin:
/home/ondra/.gem/ruby/2.1.0/bin:
/opt/altera/University_Program/Monitor_Program/bin/bin
Where is vsim
?
[ondra@x201 ~]$ which vsim
/opt/altera/modelsim_ase/bin/vsim
Run it with xargs
:
[ondra@x201 ~]$ echo "vsim" | xargs -I {} sh -c '{} &'
[ondra@x201 ~]$ Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# 10.1d
#
# <EOF>
^C
Run it directly:
[ondra@x201 ~]$ vsim
Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# --- and modelsim starts fine now ---
Any ideas welcome.
shell command-line terminal stdin
bumped to the homepage by Community♦ 59 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
You cannot runvsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find wherevsim
is located on disk like so:type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do withvsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.
– slm♦
Nov 18 '14 at 12:07
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm output oftype -f vsim
isvsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do./vsim
. If there's another way, please share.
– MightyPork
Nov 18 '14 at 12:20
Can you not runvsim
from any directory? The directory that includesvsim
is in your$PATH
.
– slm♦
Nov 18 '14 at 12:22
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:sh -c "vsim"
, this does not:echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.
– MightyPork
Nov 18 '14 at 12:25
|
show 12 more comments
- Works:
vsim
,sh -c vsim
- Doesn't work:
echo "vsim" | sh
,echo "vsim" | xargs -I {} sh -c "{}"
I want to run ModelSim (vsim
) with dmenu
, which is triggered using xbindkeys
.
Details
vsim
is a executable for ModelSim, installed in /opt/altera/modelsim_ase/bin
.
When I run it directly, it runs. But when I run it with xargs
(eg. from dmenu), it does not work at all - the script itself launches, but probably in the wrong directory or something, I'm really clueless what's wrong.
My path (I added newlines for clarity):
[ondra@x201 ~]$ echo $PATH
/usr/local/sbin:
/usr/local/bin:
/usr/bin:
/usr/lib/jvm/default/bin:
/usr/bin/site_perl:
/usr/bin/vendor_perl:
/usr/bin/core_perl:
/opt/altera/quartus/bin:
/opt/altera/modelsim_ase/bin:
/home/ondra/bin:
/home/ondra/.gem/ruby/2.1.0/bin:
/opt/altera/University_Program/Monitor_Program/bin/bin
Where is vsim
?
[ondra@x201 ~]$ which vsim
/opt/altera/modelsim_ase/bin/vsim
Run it with xargs
:
[ondra@x201 ~]$ echo "vsim" | xargs -I {} sh -c '{} &'
[ondra@x201 ~]$ Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# 10.1d
#
# <EOF>
^C
Run it directly:
[ondra@x201 ~]$ vsim
Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# --- and modelsim starts fine now ---
Any ideas welcome.
shell command-line terminal stdin
- Works:
vsim
,sh -c vsim
- Doesn't work:
echo "vsim" | sh
,echo "vsim" | xargs -I {} sh -c "{}"
I want to run ModelSim (vsim
) with dmenu
, which is triggered using xbindkeys
.
Details
vsim
is a executable for ModelSim, installed in /opt/altera/modelsim_ase/bin
.
When I run it directly, it runs. But when I run it with xargs
(eg. from dmenu), it does not work at all - the script itself launches, but probably in the wrong directory or something, I'm really clueless what's wrong.
My path (I added newlines for clarity):
[ondra@x201 ~]$ echo $PATH
/usr/local/sbin:
/usr/local/bin:
/usr/bin:
/usr/lib/jvm/default/bin:
/usr/bin/site_perl:
/usr/bin/vendor_perl:
/usr/bin/core_perl:
/opt/altera/quartus/bin:
/opt/altera/modelsim_ase/bin:
/home/ondra/bin:
/home/ondra/.gem/ruby/2.1.0/bin:
/opt/altera/University_Program/Monitor_Program/bin/bin
Where is vsim
?
[ondra@x201 ~]$ which vsim
/opt/altera/modelsim_ase/bin/vsim
Run it with xargs
:
[ondra@x201 ~]$ echo "vsim" | xargs -I {} sh -c '{} &'
[ondra@x201 ~]$ Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# 10.1d
#
# <EOF>
^C
Run it directly:
[ondra@x201 ~]$ vsim
Reading /opt/altera/modelsim_ase/tcl/vsim/pref.tcl
# --- and modelsim starts fine now ---
Any ideas welcome.
shell command-line terminal stdin
shell command-line terminal stdin
edited Nov 20 '14 at 2:38
Gilles
576k140 gold badges1188 silver badges1702 bronze badges
576k140 gold badges1188 silver badges1702 bronze badges
asked Nov 18 '14 at 10:12
MightyPorkMightyPork
7667 silver badges21 bronze badges
7667 silver badges21 bronze badges
bumped to the homepage by Community♦ 59 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 59 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 59 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
You cannot runvsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find wherevsim
is located on disk like so:type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do withvsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.
– slm♦
Nov 18 '14 at 12:07
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm output oftype -f vsim
isvsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do./vsim
. If there's another way, please share.
– MightyPork
Nov 18 '14 at 12:20
Can you not runvsim
from any directory? The directory that includesvsim
is in your$PATH
.
– slm♦
Nov 18 '14 at 12:22
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:sh -c "vsim"
, this does not:echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.
– MightyPork
Nov 18 '14 at 12:25
|
show 12 more comments
You cannot runvsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find wherevsim
is located on disk like so:type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do withvsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.
– slm♦
Nov 18 '14 at 12:07
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm output oftype -f vsim
isvsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do./vsim
. If there's another way, please share.
– MightyPork
Nov 18 '14 at 12:20
Can you not runvsim
from any directory? The directory that includesvsim
is in your$PATH
.
– slm♦
Nov 18 '14 at 12:22
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:sh -c "vsim"
, this does not:echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.
– MightyPork
Nov 18 '14 at 12:25
You cannot run
vsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find where vsim
is located on disk like so: type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do with vsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.– slm♦
Nov 18 '14 at 12:07
You cannot run
vsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find where vsim
is located on disk like so: type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do with vsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.– slm♦
Nov 18 '14 at 12:07
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm output of
type -f vsim
is vsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do ./vsim
. If there's another way, please share.– MightyPork
Nov 18 '14 at 12:20
@slm output of
type -f vsim
is vsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do ./vsim
. If there's another way, please share.– MightyPork
Nov 18 '14 at 12:20
Can you not run
vsim
from any directory? The directory that includes vsim
is in your $PATH
.– slm♦
Nov 18 '14 at 12:22
Can you not run
vsim
from any directory? The directory that includes vsim
is in your $PATH
.– slm♦
Nov 18 '14 at 12:22
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:
sh -c "vsim"
, this does not: echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.– MightyPork
Nov 18 '14 at 12:25
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:
sh -c "vsim"
, this does not: echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.– MightyPork
Nov 18 '14 at 12:25
|
show 12 more comments
1 Answer
1
active
oldest
votes
From your experiments, it appears that the vsim
program wants its standard input to be connected to a terminal; if it isn't, it either does nothing useful (because it's waiting for input but not getting any) or exits.
$ vsim
$ sh -c vsim
This runs the command normally from a terminal, in the foreground. The command can read input from the terminal.
$ echo "vsim" | sh
$ echo "vsim" | xargs -I {} sh -c "{}"
In both cases, the standard input of vsim
is connected to the pipe from the echo
command. The vsim
command will see a pipe as its input and not a terminal, if it cares. And it will see the end of the file.
$ echo "vsim" | xargs -I {} sh -c '{} &'
Here, not only is vsim
's input connected to the pipe, but the process is executed in the background, so it can't read from the terminal at all (if it tries to, it'll be suspended until it gets foregrounded).
If you want to run vsim
inside a pipeline where its standard input would not be connected to the terminal, redirect the input from the terminal to it.
echo "vsim </dev/tty" | sh
If you want to run the program from dmenu, you'll presumably have to open it in a new terminal emulator. Invoke xterm -e vsim
instead of vsim
.
I'm not familiar with vsim; it's quite possible that there are other ways of running it.
add a comment
|
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1 Answer
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1 Answer
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active
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votes
From your experiments, it appears that the vsim
program wants its standard input to be connected to a terminal; if it isn't, it either does nothing useful (because it's waiting for input but not getting any) or exits.
$ vsim
$ sh -c vsim
This runs the command normally from a terminal, in the foreground. The command can read input from the terminal.
$ echo "vsim" | sh
$ echo "vsim" | xargs -I {} sh -c "{}"
In both cases, the standard input of vsim
is connected to the pipe from the echo
command. The vsim
command will see a pipe as its input and not a terminal, if it cares. And it will see the end of the file.
$ echo "vsim" | xargs -I {} sh -c '{} &'
Here, not only is vsim
's input connected to the pipe, but the process is executed in the background, so it can't read from the terminal at all (if it tries to, it'll be suspended until it gets foregrounded).
If you want to run vsim
inside a pipeline where its standard input would not be connected to the terminal, redirect the input from the terminal to it.
echo "vsim </dev/tty" | sh
If you want to run the program from dmenu, you'll presumably have to open it in a new terminal emulator. Invoke xterm -e vsim
instead of vsim
.
I'm not familiar with vsim; it's quite possible that there are other ways of running it.
add a comment
|
From your experiments, it appears that the vsim
program wants its standard input to be connected to a terminal; if it isn't, it either does nothing useful (because it's waiting for input but not getting any) or exits.
$ vsim
$ sh -c vsim
This runs the command normally from a terminal, in the foreground. The command can read input from the terminal.
$ echo "vsim" | sh
$ echo "vsim" | xargs -I {} sh -c "{}"
In both cases, the standard input of vsim
is connected to the pipe from the echo
command. The vsim
command will see a pipe as its input and not a terminal, if it cares. And it will see the end of the file.
$ echo "vsim" | xargs -I {} sh -c '{} &'
Here, not only is vsim
's input connected to the pipe, but the process is executed in the background, so it can't read from the terminal at all (if it tries to, it'll be suspended until it gets foregrounded).
If you want to run vsim
inside a pipeline where its standard input would not be connected to the terminal, redirect the input from the terminal to it.
echo "vsim </dev/tty" | sh
If you want to run the program from dmenu, you'll presumably have to open it in a new terminal emulator. Invoke xterm -e vsim
instead of vsim
.
I'm not familiar with vsim; it's quite possible that there are other ways of running it.
add a comment
|
From your experiments, it appears that the vsim
program wants its standard input to be connected to a terminal; if it isn't, it either does nothing useful (because it's waiting for input but not getting any) or exits.
$ vsim
$ sh -c vsim
This runs the command normally from a terminal, in the foreground. The command can read input from the terminal.
$ echo "vsim" | sh
$ echo "vsim" | xargs -I {} sh -c "{}"
In both cases, the standard input of vsim
is connected to the pipe from the echo
command. The vsim
command will see a pipe as its input and not a terminal, if it cares. And it will see the end of the file.
$ echo "vsim" | xargs -I {} sh -c '{} &'
Here, not only is vsim
's input connected to the pipe, but the process is executed in the background, so it can't read from the terminal at all (if it tries to, it'll be suspended until it gets foregrounded).
If you want to run vsim
inside a pipeline where its standard input would not be connected to the terminal, redirect the input from the terminal to it.
echo "vsim </dev/tty" | sh
If you want to run the program from dmenu, you'll presumably have to open it in a new terminal emulator. Invoke xterm -e vsim
instead of vsim
.
I'm not familiar with vsim; it's quite possible that there are other ways of running it.
From your experiments, it appears that the vsim
program wants its standard input to be connected to a terminal; if it isn't, it either does nothing useful (because it's waiting for input but not getting any) or exits.
$ vsim
$ sh -c vsim
This runs the command normally from a terminal, in the foreground. The command can read input from the terminal.
$ echo "vsim" | sh
$ echo "vsim" | xargs -I {} sh -c "{}"
In both cases, the standard input of vsim
is connected to the pipe from the echo
command. The vsim
command will see a pipe as its input and not a terminal, if it cares. And it will see the end of the file.
$ echo "vsim" | xargs -I {} sh -c '{} &'
Here, not only is vsim
's input connected to the pipe, but the process is executed in the background, so it can't read from the terminal at all (if it tries to, it'll be suspended until it gets foregrounded).
If you want to run vsim
inside a pipeline where its standard input would not be connected to the terminal, redirect the input from the terminal to it.
echo "vsim </dev/tty" | sh
If you want to run the program from dmenu, you'll presumably have to open it in a new terminal emulator. Invoke xterm -e vsim
instead of vsim
.
I'm not familiar with vsim; it's quite possible that there are other ways of running it.
answered Nov 20 '14 at 2:37
GillesGilles
576k140 gold badges1188 silver badges1702 bronze badges
576k140 gold badges1188 silver badges1702 bronze badges
add a comment
|
add a comment
|
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You cannot run
vsim
in this manner. It launches an interactive shell (written in TCL/Tk). What are you trying to do with this? You can find wherevsim
is located on disk like so:type -f vsim
. This feels like an XY Problem, what are you ultimately trying to do withvsim
. I worked w/ modemsim/modeltech for 15+ years, you're doing something you shouldn't be.– slm♦
Nov 18 '14 at 12:07
@slm I have a dmenu-based launcher, and want to be able to run ModelSim with it. What'd you suggest? I'm not too excited with xterm floating around my workspace if I will never look at the outputs there (modelsim shows the errors in it's internal log window).
– MightyPork
Nov 18 '14 at 12:15
@slm output of
type -f vsim
isvsim is /opt/altera/modelsim_ase/bin/vsim
. The only thing I want to do is to start modelsim, I think the vsim script does that - and it works when I just go to that folder and do./vsim
. If there's another way, please share.– MightyPork
Nov 18 '14 at 12:20
Can you not run
vsim
from any directory? The directory that includesvsim
is in your$PATH
.– slm♦
Nov 18 '14 at 12:22
@slm Indeed, I can. The problem is, it does not work with the xargs thing. This works:
sh -c "vsim"
, this does not:echo "vsim" | xargs -I {} sh -c "{}"
. So I concluded there's something rotten in the xargs syntax, but couldn't figure out what.– MightyPork
Nov 18 '14 at 12:25