How do I add a variable to this curl command?
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I have a curl command that sends a string of text to the server and I've been trying to figure out how to either have the string of text come from a file or from a bash variable. The command looks like this:
curl -X POST -u "apikey:<apikey>"
--header "Content-Type: application/json"
--data '{"text": "<variable>"}'
"<url>"
I can't figure out how to get a variable in there. I've tried replacing with $variable and $(< file) but I don't know how to get those to spit out text without an echo and I can't echo in a curl.
linux bash curl
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
add a comment |
I have a curl command that sends a string of text to the server and I've been trying to figure out how to either have the string of text come from a file or from a bash variable. The command looks like this:
curl -X POST -u "apikey:<apikey>"
--header "Content-Type: application/json"
--data '{"text": "<variable>"}'
"<url>"
I can't figure out how to get a variable in there. I've tried replacing with $variable and $(< file) but I don't know how to get those to spit out text without an echo and I can't echo in a curl.
linux bash curl
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
add a comment |
I have a curl command that sends a string of text to the server and I've been trying to figure out how to either have the string of text come from a file or from a bash variable. The command looks like this:
curl -X POST -u "apikey:<apikey>"
--header "Content-Type: application/json"
--data '{"text": "<variable>"}'
"<url>"
I can't figure out how to get a variable in there. I've tried replacing with $variable and $(< file) but I don't know how to get those to spit out text without an echo and I can't echo in a curl.
linux bash curl
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
I have a curl command that sends a string of text to the server and I've been trying to figure out how to either have the string of text come from a file or from a bash variable. The command looks like this:
curl -X POST -u "apikey:<apikey>"
--header "Content-Type: application/json"
--data '{"text": "<variable>"}'
"<url>"
I can't figure out how to get a variable in there. I've tried replacing with $variable and $(< file) but I don't know how to get those to spit out text without an echo and I can't echo in a curl.
linux bash curl
linux bash curl
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
edited Mar 3 at 7:25
Rui F Ribeiro
41.9k1483142
41.9k1483142
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
asked Mar 3 at 7:22
NelloDrawsNelloDraws
384
384
add a comment |
add a comment |
3 Answers
3
active
oldest
votes
Stop the single quoted string, follow with the variable expansion, posibly double quoted, and resume the single quoted string:
--data '{"text": "'"$variable"'"}'
($variable should still expand to something that together with the surroundings forms legal JSON, or else the other side probably won't be very happy :) .)
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
add a comment |
Just to put one more solution here:
curl -X POST -u "apikey:${apikey}"
--header "Content-Type: application/json"
--data "{"text": "${variable}"}"
"${url}"
Basically, " is a quote to handle the following string together, " escapes the quote, and ${varname} is a variable.
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
add a comment |
I tend to use heredocs when building JSON for use with curl:
curl -s -X POST $URL -d@- <<EOF
[
{
"id": 101,
"text": "$variable"
}
]
EOF
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
Stop the single quoted string, follow with the variable expansion, posibly double quoted, and resume the single quoted string:
--data '{"text": "'"$variable"'"}'
($variable should still expand to something that together with the surroundings forms legal JSON, or else the other side probably won't be very happy :) .)
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
add a comment |
Stop the single quoted string, follow with the variable expansion, posibly double quoted, and resume the single quoted string:
--data '{"text": "'"$variable"'"}'
($variable should still expand to something that together with the surroundings forms legal JSON, or else the other side probably won't be very happy :) .)
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
add a comment |
Stop the single quoted string, follow with the variable expansion, posibly double quoted, and resume the single quoted string:
--data '{"text": "'"$variable"'"}'
($variable should still expand to something that together with the surroundings forms legal JSON, or else the other side probably won't be very happy :) .)
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
Stop the single quoted string, follow with the variable expansion, posibly double quoted, and resume the single quoted string:
--data '{"text": "'"$variable"'"}'
($variable should still expand to something that together with the surroundings forms legal JSON, or else the other side probably won't be very happy :) .)
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
edited Mar 3 at 7:37
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
answered Mar 3 at 7:30
PSkocikPSkocik
18.5k654101
18.5k654101
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
add a comment |
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
3
3
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
This works thanks! And in hindsight it makes sense
– NelloDraws
Mar 3 at 7:38
add a comment |
Just to put one more solution here:
curl -X POST -u "apikey:${apikey}"
--header "Content-Type: application/json"
--data "{"text": "${variable}"}"
"${url}"
Basically, " is a quote to handle the following string together, " escapes the quote, and ${varname} is a variable.
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
add a comment |
Just to put one more solution here:
curl -X POST -u "apikey:${apikey}"
--header "Content-Type: application/json"
--data "{"text": "${variable}"}"
"${url}"
Basically, " is a quote to handle the following string together, " escapes the quote, and ${varname} is a variable.
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
add a comment |
Just to put one more solution here:
curl -X POST -u "apikey:${apikey}"
--header "Content-Type: application/json"
--data "{"text": "${variable}"}"
"${url}"
Basically, " is a quote to handle the following string together, " escapes the quote, and ${varname} is a variable.
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
Just to put one more solution here:
curl -X POST -u "apikey:${apikey}"
--header "Content-Type: application/json"
--data "{"text": "${variable}"}"
"${url}"
Basically, " is a quote to handle the following string together, " escapes the quote, and ${varname} is a variable.
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
edited Mar 3 at 20:03
ilkkachu
63.2k10103181
63.2k10103181
answered Mar 3 at 18:58
NyosNyos
15113
answered Mar 3 at 18:58
NyosNyos
15113
answered Mar 3 at 18:58
NyosNyos
15113
15113
add a comment |
add a comment |
I tend to use heredocs when building JSON for use with curl:
curl -s -X POST $URL -d@- <<EOF
[
{
"id": 101,
"text": "$variable"
}
]
EOF
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
add a comment |
I tend to use heredocs when building JSON for use with curl:
curl -s -X POST $URL -d@- <<EOF
[
{
"id": 101,
"text": "$variable"
}
]
EOF
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
add a comment |
I tend to use heredocs when building JSON for use with curl:
curl -s -X POST $URL -d@- <<EOF
[
{
"id": 101,
"text": "$variable"
}
]
EOF
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
I tend to use heredocs when building JSON for use with curl:
curl -s -X POST $URL -d@- <<EOF
[
{
"id": 101,
"text": "$variable"
}
]
EOF
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
answered Mar 3 at 20:20
Roger LipscombeRoger Lipscombe
816825
816825
add a comment |
add a comment |
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