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Updated Examples (markdown)
Matthew Bennett
153
Examples.md
153
Examples.md
@@ -129,73 +129,94 @@ Suggested by [Matt-A-Bennett](https://github.com/Matt-A-Bennett) (not tested in
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# other (N.B. to achieve this I write the shell's active history to
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# ~/.bash_history)
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#
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# Usage:
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# f cd (hit enter, choose path)
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# f cat (hit enter, choose files)
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# f vim (hit enter, choose files)
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# f vlc (hit enter, choose files)
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f() {
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# Store the arguments from fzf
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IFS=$'\n' arguments=($(fzf --query="$2" --multi))
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# If no arguments passed (e.g. if Esc pressed), return to terminal
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if [ -z "${arguments}" ]; then
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return 1
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fi
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# We want the command to show up in our bash history, so write the shell's
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# active history to ~/.bash_history. Then we'll also add the command from
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# fzf, then we'll load it all back into the shell's active history
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history -w
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# RUN THE COMMANDS ########################################################
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# The cd command has no effect when run as background, and doesn't show up
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# as a job the can be brought to the foreground. So we make sure not to add
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# a '&' (more programs can be added separated by a '|')
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if ! [[ $1 =~ ^(cd)$ ]]; then
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$1 "${arguments[@]}" &
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else
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$1 "${arguments[@]}"
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fi
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# Usage:
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# f cd [OPTIONS] (hit enter, choose path)
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# f cat [OPTIONS] (hit enter, choose files)
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# f vim [OPTIONS] (hit enter, choose files)
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# f vlc [OPTIONS] (hit enter, choose files)
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# If the program is not on the list of GUIs (e.g. vim, cat, etc.) bring it
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# to foreground so we can see the output. Also put cd on this list
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# otherwise there will be errors)
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if ! [[ $1 =~ ^(cd|zathura|vlc|eog|kolourpaint)$ ]]; then
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fg %%
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fi
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# ADD A REPEATABLE COMMAND TO THE BASH HISTORY ############################
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# Store the arguments in a temporary file for sanitising before being
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# entered into bash history
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: > /tmp/fzf_tmp
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for file in ${arguments[@]}; do
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echo $file >> /tmp/fzf_tmp
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done
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# Put all input arguments on one line and sanitise the command such that
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# spaces and parentheses are properly escaped. More sanitisation
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# substitutions can be added if needed
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sed -i 's/\n//g; s/ /\\ /g; s/(/\\(/; s/)/\\)/' /tmp/fzf_tmp
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# If the program is on the GUI list add a '&' to the command history
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if [[ $1 =~ ^(zathura|vlc|eog|kolourpaint)$ ]]; then
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sed -i '${s/$/ \&/}' /tmp/fzf_tmp
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fi
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# Grab the sanitised arguments
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arguments=$(cat /tmp/fzf_tmp)
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# Add the command with the sanitised arguments to our .bash_history
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echo ${1} ${arguments} >> ~/.bash_history
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# Reload the ~/.bash_history into the shell's active history
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history -r
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# Clean up temporary variables
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rm /tmp/fzf_tmp
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}
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f() {
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# Store the program
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program="$1"
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# Remove first argument off the list
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shift
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# Store option flags
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options="$@"
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# Store the arguments from fzf
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arguments=($(fzf --multi))
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# If no arguments passed (e.g. if Esc pressed), return to terminal
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if [ -z "${arguments}" ]; then
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return 1
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fi
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# We want the command to show up in our bash history, so write the shell's
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# active history to ~/.bash_history. Then we'll also add the command from
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# fzf, then we'll load it all back into the shell's active history
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history -w
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# RUN THE COMMANDS ########################################################
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# The cd command has no effect when run as background, and doesn't show up
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# as a job the can be brought to the foreground. So we make sure not to add
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# a '&' (more programs can be added separated by a '|')
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if ! [[ $program =~ ^(cd)$ ]]; then
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if [ -z "$options" ]; then
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"$program" "${arguments[@]}" &
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else
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"$program" "$options" "${arguments[@]}" &
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fi
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else
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if [ -z "$options" ]; then
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"$program" "${arguments[@]}"
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else
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"$program" "$options" "${arguments[@]}"
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fi
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fi
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# If the program is not on the list of GUIs (e.g. vim, cat, etc.) bring it
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# to foreground so we can see the output. Also put cd on this list
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# otherwise there will be errors)
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if ! [[ "$program" =~ ^(cd|nautilus|zathura|evince|vlc|eog|kolourpaint)$ ]]; then
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fg %%
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fi
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# ADD A REPEATABLE COMMAND TO THE BASH HISTORY ############################
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# Store the arguments in a temporary file for sanitising before being
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# entered into bash history
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: > /tmp/fzf_tmp
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for file in "${arguments[@]}"; do
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echo "$file" >> /tmp/fzf_tmp
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done
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# Put all input arguments on one line and sanitise the command by putting
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# single quotes around each argument, also first put an extra single quote
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# next to any pre-existing single quotes in the raw argument
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sed -i "s/'/''/g; s/.*/'&'/g; s/\n//g" /tmp/fzf_tmp
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# If the program is on the GUI list add a '&' to the command history
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if [[ "$program" =~ ^(nautilus|zathura|evince|vlc|eog|kolourpaint)$ ]]; then
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sed -i '${s/$/ \&/}' /tmp/fzf_tmp
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fi
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# Grab the sanitised arguments
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arguments="$(cat /tmp/fzf_tmp)"
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# Add the command with the sanitised arguments to our .bash_history
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if [ -z "$options" ]; then
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echo $program $arguments >> ~/.bash_history
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else
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echo $program $options $arguments >> ~/.bash_history
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fi
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# Reload the ~/.bash_history into the shell's active history
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history -r
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# Clean up temporary variables
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rm /tmp/fzf_tmp
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}
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```
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```sh
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