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- # put this in your .bash_profile
- if [ $ITERM_SESSION_ID ]; then
- export PROMPT_COMMAND='echo -ne "\033];${PWD##*/}\007"; ':"$PROMPT_COMMAND";
- fi
- # Piece-by-Piece Explanation:
- # the if condition makes sure we only screw with $PROMPT_COMMAND if we're in an iTerm environment
- # iTerm happens to give each session a unique $ITERM_SESSION_ID we can use, $ITERM_PROFILE is an option too
- # the $PROMPT_COMMAND environment variable is executed every time a command is run
- # see: ss64.com/bash/syntax-prompt.html
- # we want to update the iTerm tab title to reflect the current directory (not full path, which is too long)
- # echo -ne "\033;foo\007" sets the current tab title to "foo"
- # see: stackoverflow.com/questions/8823103/how-does-this-script-for-naming-iterm-tabs-work
- # the two flags, -n = no trailing newline & -e = interpret backslashed characters, e.g. \033 is ESC, \007 is BEL
- # see: ss64.com/bash/echo.html for echo documentation
- # we set the title to ${PWD##*/} which is just the current dir, not full path
- # see: stackoverflow.com/questions/1371261/get-current-directory-name-without-full-path-in-bash-script
- # then we append the rest of $PROMPT_COMMAND so as not to remove what was already there
- # voilà!
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