Difference between revisions of "Exec"
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↑ https://askubuntu.com/questions/525767/what-does-an-exec-command-do
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{{lowercase}} | {{lowercase}} | ||
https://man7.org/linux/man-pages/man1/exec.1p.html | https://man7.org/linux/man-pages/man1/exec.1p.html | ||
| − | Open YOUR_FILE_TO_READ as file descriptor 3 for reading: | + | Open YOUR_FILE_TO_READ as [[file descriptor]] 3 for reading: |
exec 3< YOUR_FILE_TO_READ | exec 3< YOUR_FILE_TO_READ | ||
exec [[$SHELL]] | exec [[$SHELL]] | ||
| − | <code>exec</code> in [[Bash]]<ref>https://askubuntu.com/questions/525767/what-does-an-exec-command-do</ref> | + | <code>[[exec (Bash)|exec]]</code> in [[Bash]] <ref>https://askubuntu.com/questions/525767/what-does-an-exec-command-do</ref> |
https://unix.stackexchange.com/questions/61931/redirect-all-subsequent-commands-stderr-using-exec | https://unix.stackexchange.com/questions/61931/redirect-all-subsequent-commands-stderr-using-exec | ||
| − | |||
| − | |||
| − | exec > >(tee "$HOME/somefile.log") 2>&1 | + | #![[/bin/bash]] - |
| − | + | ||
| − | echo "$HOME" | + | exec > >(tee "$HOME/somefile.log") 2>&1 |
| − | echo hi | + | |
| − | date | + | echo "$HOME" |
| − | date +%F | + | echo hi |
| − | echo bye 1>&2 | + | date |
| − | + | date +%F | |
| + | echo bye 1>&2 | ||
== Related commands == | == Related commands == | ||
| Line 26: | Line 25: | ||
* <code>[[exec]]</code> <code>[[mount]]</code> [[mount options|option]]. | * <code>[[exec]]</code> <code>[[mount]]</code> [[mount options|option]]. | ||
* <code>[[flock]]</code> | * <code>[[flock]]</code> | ||
| + | * <code>[[shopt -s execfail]]</code> | ||
| + | * <code>[[cloud-init]]</code> | ||
| + | * <code>[[cabal exec]]</code> | ||
| + | * [[Terraform provider: Kubernetes]] | ||
| + | * <code>[[kubectl exec]]</code> | ||
| + | * <code>[[exec /usr/local/bin/docker-entrypoint.sh: exec format error]]</code> | ||
| + | * [[Amazon ECS Exec Checker]] | ||
| + | * [[Type=exec]] | ||
| + | * [[K8s probes]] | ||
| + | * [[subprocess.run]] | ||
| + | |||
| + | == Activities == | ||
| + | * Read https://unix.stackexchange.com/questions/tagged/exec?tab=Votes | ||
== See also == | == See also == | ||
Latest revision as of 10:31, 8 November 2024
https://man7.org/linux/man-pages/man1/exec.1p.html
Open YOUR_FILE_TO_READ as file descriptor 3 for reading: exec 3< YOUR_FILE_TO_READ
exec $SHELL
https://unix.stackexchange.com/questions/61931/redirect-all-subsequent-commands-stderr-using-exec
#!/bin/bash - exec > >(tee "$HOME/somefile.log") 2>&1 echo "$HOME" echo hi date date +%F echo bye 1>&2
Related commands[edit]
tailexecmountoption.flockshopt -s execfailcloud-initcabal exec- Terraform provider: Kubernetes
kubectl execexec /usr/local/bin/docker-entrypoint.sh: exec format error- Amazon ECS Exec Checker
- Type=exec
- K8s probes
- subprocess.run
Activities[edit]
See also[edit]
- Standard streams:
/dev/stdin,/dev/stdout,/dev/stderr,/dev/null, File descriptor,set -x, 2>&1, stdbuf Bash [ -c ],alias,&&, Bash history, Autocompletion,set,unset,export,.bash_aliases, .bashrc and .bash profile,PS1,echo,brace expansion, Function,shopt,trap,set -e,source,PATH,complete,disown,.hushlogin,.bashrc,builtin,eval,set,$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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