Replace the first word of every line in a file with the line number
0
If I have a file like this:
foo bar
bar foo
5 foo
bar 5
and I want to change the file to look like this:
1 bar
2 foo
3 foo
4 5
How can I go about doing this?
shell-script shell sed
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
0
If I have a file like this:
foo bar
bar foo
5 foo
bar 5
and I want to change the file to look like this:
1 bar
2 foo
3 foo
4 5
How can I go about doing this?
shell-script shell sed
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
0
0
0
If I have a file like this:
foo bar
bar foo
5 foo
bar 5
and I want to change the file to look like this:
1 bar
2 foo
3 foo
4 5
How can I go about doing this?
shell-script shell sed
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
If I have a file like this:
foo bar
bar foo
5 foo
bar 5
and I want to change the file to look like this:
1 bar
2 foo
3 foo
4 5
How can I go about doing this?
shell-script shell sed
shell-script shell sed
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 28 mins ago
ComfyComfy
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 28 mins ago
ComfyComfy
31
asked 28 mins ago
ComfyComfy
31
31
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Comfy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
1
How about Awk?
$ awk '{$1 = FNR} 1' file
1 bar
2 foo
3 foo
4 5
answered 23 mins ago
steeldriversteeldriver
35.7k35286
add a comment |
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "106"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Comfy is a new contributor. Be nice, and check out our Code of Conduct.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f496362%2freplace-the-first-word-of-every-line-in-a-file-with-the-line-number%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
How about Awk?
$ awk '{$1 = FNR} 1' file
1 bar
2 foo
3 foo
4 5
answered 23 mins ago
steeldriversteeldriver
35.7k35286
add a comment |
1
How about Awk?
$ awk '{$1 = FNR} 1' file
1 bar
2 foo
3 foo
4 5
answered 23 mins ago
steeldriversteeldriver
35.7k35286
add a comment |
1
1
1
How about Awk?
$ awk '{$1 = FNR} 1' file
1 bar
2 foo
3 foo
4 5
answered 23 mins ago
steeldriversteeldriver
35.7k35286
How about Awk?
$ awk '{$1 = FNR} 1' file
1 bar
2 foo
3 foo
4 5
answered 23 mins ago
steeldriversteeldriver
35.7k35286
answered 23 mins ago
steeldriversteeldriver
35.7k35286
answered 23 mins ago
steeldriversteeldriver
35.7k35286
answered 23 mins ago
steeldriversteeldriver
35.7k35286
35.7k35286
add a comment |
add a comment |
Comfy is a new contributor. Be nice, and check out our Code of Conduct.
draft saved
draft discarded
Comfy is a new contributor. Be nice, and check out our Code of Conduct.
Comfy is a new contributor. Be nice, and check out our Code of Conduct.
Comfy is a new contributor. Be nice, and check out our Code of Conduct.
Thanks for contributing an answer to Unix & Linux Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f496362%2freplace-the-first-word-of-every-line-in-a-file-with-the-line-number%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
