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correct description linebreaks

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Denis Lehmann 2022-01-18 16:12:23 +01:00
parent 7b9b424624
commit 29521334ff
2 changed files with 45 additions and 37 deletions
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README.org
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sf
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@ -71,6 +71,7 @@ declare -A _sfflags
declare -A _sfargs
# Parse sf arguments
sfargs=("help;h;Show this help message" "${sfargs[@]}")
for a in "${sfargs[@]}"; do
# Get amount of ;
@ -140,36 +141,6 @@ for a in "${sfargs[@]}"; do
fi
done
# Set _sfwidth to current terminal size
_sfwidth=$(stty size | cut -d ' ' -f 2)
# Create positional argument description with correct line breaks
_sfpoffset=$(( "_sfpoffset" + 3 ))
_sfpdesc=""
for i in "${!_sfptails[@]}"; do
_sfptail="${_sfptails[$i]}"
if [ $(( "${#_sfptail}" + "$_sfpoffset" )) -gt "$_sfwidth" ]; then
_sfptail=$(echo "$_sfptail" | fold -s -w "$(( _sfwidth - _sfpoffset ))")
_sfptail="${_sfptail//$' \n'/$'\n;'}"
fi
_sfpdesc="${_sfpdesc} ${_sfpheads[$i]};${_sfptail}\n"
done
# Create option description with correct line breaks
_sfooffset=$(( "_sfooffset" + 3 ))
_sfodesc=" -h, --help;Show this help message\n"
for i in "${!_sfotails[@]}"; do
_sfotail="${_sfotails[$i]}"
if [ $(( "${#_sfotail}" + "$_sfooffset" )) -gt "$_sfwidth" ]; then
_sfotail=$(echo "$_sfotail" | fold -s -w "$(( _sfwidth - _sfooffset ))")
_sfotail="${_sfotail//$' \n'/$'\n;'}"
fi
_sfodesc="${_sfodesc} ${_sfoheads[$i]};${_sfotail}\n"
done
# Check if at least one positional argument is set if 'sfparr' is used
[ "$sfparr" == true ] && [ "${#_sfpargs[@]}" == 0 ] && _sferr "At least one positional argument must be used with 'sfparr'"
# Parse examples
_sfeheads=()
_sfetails=()
@ -196,27 +167,64 @@ for e in "${sfexamples[@]}"; do
fi
done
# Create examples description with correct line breaks
IFS=$OLDIFS
# Check if at least one positional argument is set if 'sfparr' is used
[ "$sfparr" == true ] && [ "${#_sfpargs[@]}" == 0 ] && _sferr "At least one positional argument must be used with 'sfparr'"
# Correct offsets
_sfpoffset=$(( "_sfpoffset" + 3 ))
_sfooffset=$(( "_sfooffset" + 3 ))
_sfeoffset=$(( "_sfeoffset" + 3 ))
# Set _sfwidth to current terminal width
_sfwidth=$(stty size | cut -d ' ' -f 2)
# Create positional argument description with correct line breaks
_sfpdesc=""
for i in "${!_sfptails[@]}"; do
_sfptail="${_sfptails[$i]}"
if [ $(( "${#_sfptail}" + "$_sfpoffset" )) -gt "$_sfwidth" ]; then
_sftmpwidth="$(( _sfwidth - _sfpoffset ))"
_sftmpwidth=$(echo -e "${_sftmpwidth}\n1" | sort -nr | head -n 1)
_sfptail=$(echo "$_sfptail" | fold -s -w "$_sftmpwidth")
_sfptail="${_sfptail//$' \n'/$'\n;'}"
fi
_sfpdesc="${_sfpdesc} ${_sfpheads[$i]};${_sfptail}\n"
done
# Create option description with correct line breaks
for i in "${!_sfotails[@]}"; do
_sfotail="${_sfotails[$i]}"
if [ $(( "${#_sfotail}" + "$_sfooffset" )) -gt "$_sfwidth" ]; then
_sftmpwidth="$(( _sfwidth - _sfooffset ))"
_sftmpwidth=$(echo -e "${_sftmpwidth}\n1" | sort -nr | head -n 1)
_sfotail=$(echo "$_sfotail" | fold -s -w "$_sftmpwidth")
_sfotail="${_sfotail//$' \n'/$'\n;'}"
fi
_sfodesc="${_sfodesc} ${_sfoheads[$i]};${_sfotail}\n"
done
# Create examples description with correct line breaks
_sfexamples=""
for i in "${!_sfetails[@]}"; do
_sfetail="${_sfetails[$i]}"
if [ $(( "${#_sfetail}" + "$_sfeoffset" )) -gt "$_sfwidth" ]; then
_sfetail=$(echo "$_sfetail" | fold -s -w "$(( _sfwidth - _sfeoffset ))")
_sftmpwidth="$(( _sfwidth - _sfeoffset ))"
_sftmpwidth=$(echo -e "${_sftmpwidth}\n1" | sort -nr | head -n 1)
_sfetail=$(echo "$_sfetail" | fold -s -w "$_sftmpwidth")
_sfetail="${_sfetail//$' \n'/$'\n;'}"
fi
_sfexamples="${_sfexamples} ${_sfeheads[$i]};${_sfetail}\n"
done
IFS=$OLDIFS
# Usage function
function _sfusage {
echo -n "Usage: $(basename "$0") [OPTIONS]"
echo -ne "$_sfpusage"
[ "$sfparr" == true ] && echo -n " ..."
echo
[ -n "${sfdesc}" ] && echo -e "\n$sfdesc"
[ -n "${sfdesc}" ] && echo -e "\n$sfdesc" | fold -s -w "$_sfwidth"
if [ "$_sfpdesc" != "" ]; then
echo -e "\nPOSITIONAL ARGUMENTS"
echo -e "$_sfpdesc" | column -s ";" -t -W 2
@ -292,4 +300,4 @@ if [ "${#_sfpargs[@]}" -gt 0 ]; then
fi
# Unset all internal variables and functions
unset a e i _sfargs _sfehead _sfeheads _sfeoffset _sferr _sfetails _sfexamples _sfflags _sfodesc _sfohead _sfoheads _sfooffset _sfotails _sfpargs _sfparr _sfpdesc _sfphead _sfpheads _sfplast _sfpoffset _sfptails _sfpusage _sfusage _sfwidth
unset a e i _sfargs _sfehead _sfeheads _sfeoffset _sferr _sfetails _sfexamples _sfflags _sfodesc _sfohead _sfoheads _sfooffset _sfotails _sfpargs _sfparr _sfpdesc _sfphead _sfpheads _sfplast _sfpoffset _sfptails _sfpusage _sftmpwidth _sfusage _sfwidth