10 lines
200 B
Bash
10 lines
200 B
Bash
#!/bin/bash
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_prompt_command_add() {
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if [ -n "$1" ] && [[ ":$PROMPT_COMMAND:" != *":$1:"* ]]; then
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PROMPT_COMMAND="${PROMPT_COMMAND:+"$PROMPT_COMMAND;"}$1"
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fi
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}
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export PROMPT_COMMAND
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