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Updated Examples (markdown)

Matthew Bennett
2021-04-17 23:55:31 +02:00
parent 5d05056629
commit dd8398f6ba
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153
Examples.md

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