Difference between revisions of "Echo"
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{{lowercase}} | {{lowercase}} | ||
| − | [[wikipedia:echo (command)]] | + | <code>[[wikipedia:echo (command)|echo]]</code> [[Bash]] [[builtin]] |
| − | |||
| − | |||
| + | == Examples == | ||
* <code>[[echo -e]] '\a'</code> | * <code>[[echo -e]] '\a'</code> | ||
| − | * <code>echo -n</code> | + | Do not output the trailing [[newline]] |
| − | + | * <code>echo -n</code> | |
| − | + | [[Truncate]] a file | |
| + | * <code>[[echo]] "" > filename</code> | ||
| + | Print a [[new line]] after command output: | ||
| + | * <code>[[kubectl get secret]] mykubedashboard-[[kubernetes-dashboard]]-token-8wfsh -o jsonpath="{.data.token}" | base64 --decode; echo</code> | ||
| + | == Errors == | ||
| + | gcloud --help | echo | ||
| + | |||
| + | Exception ignored in: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> | ||
| + | [[BrokenPipeError]]: [Errno 32] Broken pipe | ||
== Related terms == | == Related terms == | ||
| − | * <code>[[printf]]</code> | + | * <code>[[printf]]</code> [[Bash built-in]] |
* <code>[[tput]]</code>: <code>[[tput bel]]</code> | * <code>[[tput]]</code>: <code>[[tput bel]]</code> | ||
* [[Format string attack]] | * [[Format string attack]] | ||
* <code>[[logger]]</code> | * <code>[[logger]]</code> | ||
* <code>[[append]]</code> | * <code>[[append]]</code> | ||
| + | * [[Ansible print and debug examples]] | ||
| + | * <code>[[truncate]]</code> | ||
| + | * [[Echo go web framework]] | ||
== See also == | == See also == | ||
* {{echo}} | * {{echo}} | ||
| + | * {{print}} | ||
* {{Bash}} | * {{Bash}} | ||
[[Category:Programming]] | [[Category:Programming]] | ||
Latest revision as of 10:15, 8 December 2023
Contents
Examples[edit]
echo -e '\a'
Do not output the trailing newline
echo -n
Truncate a file
echo "" > filename
Print a new line after command output:
kubectl get secret mykubedashboard-kubernetes-dashboard-token-8wfsh -o jsonpath="{.data.token}" | base64 --decode; echo
Errors[edit]
gcloud --help | echo Exception ignored in: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> BrokenPipeError: [Errno 32] Broken pipe
Related terms[edit]
printfBash built-intput:tput bel- Format string attack
loggerappend- Ansible print and debug examples
truncate- Echo go web framework
See also[edit]
echo,print, printf,tput,logger,write-output, echo -e, /dev/stdout, bannerprint, strcat, echoBash [ -c ],alias,&&, Bash history, Autocompletion,set,unset,export,.bash_aliases, .bashrc and .bash profile,PS1,echo,brace expansion, Function,shopt,trap,set -e,source,PATH,complete,disown,.hushlogin,.bashrc,builtin,eval,set,$PATH,$HOME,TZ,.profile,-e, -i,Builtin (Bash),mapfile,~, return (Bash), for, until,declare, dirname, basename, functions.sh, Bash arithmetic expansion,shift, bash --rcfile, readonly, $1, $@
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