How to invoke shell function in string? (bash)
I want to invoke shell function in string. Here is my use case:
function envfoo() {
env ENV_FOO=foo $@
}
function envbar() {
env ENV_BAR=bar $@
}
$ envfoo env |egrep ENV_
ENV_FOO=foo
$ envbar env |egrep ENV_
ENV_BAR=bar
$ envfoo envbar env |egrep ENV_
env: envbar: No such file or directory
# expected result: ENV_FOO=foo and ENV_BAR=bar lines
Here I want envfoo to execute envbar shell function.
How can I do it?
Say that is opposite of command which ignores shell function and finds real command.
Maybe I gave a wrong example. I want to combine multiple shell functions like actual executables.
A real case goes like this:
function be() {
bundle exec $@
}
function envstg() {
env RAILS_ENV=staging $@
}
$ be rails server
# launches Rails server
$ envstg be rails server
env: be: No such file or directory
Here be isn't expanded into bundle exec. How can I expand them?
bash shell
asked Sep 22 '14 at 3:04
knaganoknagano
63
add a comment |
I want to invoke shell function in string. Here is my use case:
function envfoo() {
env ENV_FOO=foo $@
}
function envbar() {
env ENV_BAR=bar $@
}
$ envfoo env |egrep ENV_
ENV_FOO=foo
$ envbar env |egrep ENV_
ENV_BAR=bar
$ envfoo envbar env |egrep ENV_
env: envbar: No such file or directory
# expected result: ENV_FOO=foo and ENV_BAR=bar lines
Here I want envfoo to execute envbar shell function.
How can I do it?
Say that is opposite of command which ignores shell function and finds real command.
Maybe I gave a wrong example. I want to combine multiple shell functions like actual executables.
A real case goes like this:
function be() {
bundle exec $@
}
function envstg() {
env RAILS_ENV=staging $@
}
$ be rails server
# launches Rails server
$ envstg be rails server
env: be: No such file or directory
Here be isn't expanded into bundle exec. How can I expand them?
bash shell
asked Sep 22 '14 at 3:04
knaganoknagano
63
1
Why don't use(envbar && envfoo) | grep ENV_?
– cuonglm
Sep 22 '14 at 3:52
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39
add a comment |
I want to invoke shell function in string. Here is my use case:
function envfoo() {
env ENV_FOO=foo $@
}
function envbar() {
env ENV_BAR=bar $@
}
$ envfoo env |egrep ENV_
ENV_FOO=foo
$ envbar env |egrep ENV_
ENV_BAR=bar
$ envfoo envbar env |egrep ENV_
env: envbar: No such file or directory
# expected result: ENV_FOO=foo and ENV_BAR=bar lines
Here I want envfoo to execute envbar shell function.
How can I do it?
Say that is opposite of command which ignores shell function and finds real command.
Maybe I gave a wrong example. I want to combine multiple shell functions like actual executables.
A real case goes like this:
function be() {
bundle exec $@
}
function envstg() {
env RAILS_ENV=staging $@
}
$ be rails server
# launches Rails server
$ envstg be rails server
env: be: No such file or directory
Here be isn't expanded into bundle exec. How can I expand them?
bash shell
asked Sep 22 '14 at 3:04
knaganoknagano
63
I want to invoke shell function in string. Here is my use case:
function envfoo() {
env ENV_FOO=foo $@
}
function envbar() {
env ENV_BAR=bar $@
}
$ envfoo env |egrep ENV_
ENV_FOO=foo
$ envbar env |egrep ENV_
ENV_BAR=bar
$ envfoo envbar env |egrep ENV_
env: envbar: No such file or directory
# expected result: ENV_FOO=foo and ENV_BAR=bar lines
Here I want envfoo to execute envbar shell function.
How can I do it?
Say that is opposite of command which ignores shell function and finds real command.
Maybe I gave a wrong example. I want to combine multiple shell functions like actual executables.
A real case goes like this:
function be() {
bundle exec $@
}
function envstg() {
env RAILS_ENV=staging $@
}
$ be rails server
# launches Rails server
$ envstg be rails server
env: be: No such file or directory
Here be isn't expanded into bundle exec. How can I expand them?
bash shell
bash shell
asked Sep 22 '14 at 3:04
knaganoknagano
63
asked Sep 22 '14 at 3:04
knaganoknagano
63
edited Sep 22 '14 at 9:42
knagano
asked Sep 22 '14 at 3:04
knaganoknagano
63
asked Sep 22 '14 at 3:04
knaganoknagano
63
asked Sep 22 '14 at 3:04
knaganoknagano
63
63
1
Why don't use(envbar && envfoo) | grep ENV_?
– cuonglm
Sep 22 '14 at 3:52
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39
add a comment |
1
Why don't use(envbar && envfoo) | grep ENV_?
– cuonglm
Sep 22 '14 at 3:52
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39
1
1
Why don't use
(envbar && envfoo) | grep ENV_ ?– cuonglm
Sep 22 '14 at 3:52
Why don't use
(envbar && envfoo) | grep ENV_ ?– cuonglm
Sep 22 '14 at 3:52
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39
add a comment |
1 Answer
1
active
oldest
votes
I don't know why you have the env command there, but it works fine if you remove it:
$ function be() {
> echo "$@"
> }
$ function envstg() {
> RAILS_ENV=staging "$@"
> }
$ be rails server
rails server
$ envstg be rails server
rails server
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
add a comment |
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1 Answer
1
active
oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I don't know why you have the env command there, but it works fine if you remove it:
$ function be() {
> echo "$@"
> }
$ function envstg() {
> RAILS_ENV=staging "$@"
> }
$ be rails server
rails server
$ envstg be rails server
rails server
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
add a comment |
I don't know why you have the env command there, but it works fine if you remove it:
$ function be() {
> echo "$@"
> }
$ function envstg() {
> RAILS_ENV=staging "$@"
> }
$ be rails server
rails server
$ envstg be rails server
rails server
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
add a comment |
I don't know why you have the env command there, but it works fine if you remove it:
$ function be() {
> echo "$@"
> }
$ function envstg() {
> RAILS_ENV=staging "$@"
> }
$ be rails server
rails server
$ envstg be rails server
rails server
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
I don't know why you have the env command there, but it works fine if you remove it:
$ function be() {
> echo "$@"
> }
$ function envstg() {
> RAILS_ENV=staging "$@"
> }
$ be rails server
rails server
$ envstg be rails server
rails server
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
answered Sep 22 '14 at 12:07
l0b0l0b0
27.9k17118246
27.9k17118246
add a comment |
add a comment |
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1
Why don't use
(envbar && envfoo) | grep ENV_?– cuonglm
Sep 22 '14 at 3:52
Maybe I gave a wrong example.
– knagano
Sep 22 '14 at 9:39