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8ef234aedd
this is just a few bytes of escape codes, there is no need to depend on a library for it. While it is not a big one it still seems better to just write it ourselves. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
19 lines
543 B
Go
19 lines
543 B
Go
package common
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import (
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"os"
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"golang.org/x/term"
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)
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// ClearScreen clears the screen and puts the cursor back to position 1,1
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// Useful when printing output in an interval like podman stats.
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// When the stdout is not a terminal this is a NOP.
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func ClearScreen() {
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// Only write escape sequences when the output is a terminal.
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if term.IsTerminal(int(os.Stdout.Fd())) {
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// terminal escape control sequence to clear screen ([2J)
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// followed by putting the cursor to position 1,1 ([1;1H)
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os.Stdout.WriteString("\033[2J\033[1;1H")
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}
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}
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