#! /bin/zsh
#
# this file:
#   http://user.it.uu.se/~embe8573/conf/.zsh/ide
#   https://dataswamp.org/~incal/conf/.zsh/ide

find-duplicate-lines () {
    local file=$1
    cat $file | sort | uniq -d
}
alias dups=find-duplicate-lines

create-100-meg-bogus-file () {
    local file=${1:-100.data}
    rm $file
    dd if=/dev/urandom         \
       of=$file                \
       count=$(( 1024 * 100 )) \
       bs=1024 | sha256sum | ( read rnd _; echo $rnd >> $file )
}

create-bogus-file () {
    local file=$1
    local lines=$2
    rm -r $file
    for l in {0..$lines}; do
        dd if=/dev/urandom count=1 2> /dev/null |
            sha256sum                           |
            ( read rnd _; echo $rnd >> $file )
    done
}
alias cbf=create-bogus-file

last-cmd () {
    history | tail -n 1 | cut -d ' ' -f 5-
}

indent-files () {
    local -a files
    for f in $@; do
        files+=\"$f\"
    done
    emacs -Q --batch -l cl --eval "
      (dolist (filename (list $files))
         (find-file filename)
         (indent-region (point-min) (point-max))
         (save-buffer)
         (kill-buffer) )"
}

# make
alias make='make -s -j -k'
alias ma='make all'
alias maa='make again'

emake () {
    local emacs_path=~/.emacs.d/emacs-init
    make $@ -C $emacs_path
}
alias em='emake'
alias ema='emake again'

# scripts
cats () {
    local file=~/scripts/$1
    [[ -f $file ]] && cat $file
}

# 't' is an extention of zsh's 'whence' ("t"
# for "type"). It outputs what file the
# function or alias is defined, and it uses
# 'whence' to output the definition or code.
# If the argument command is a script, 't' uses
# 'cats' ("catenate script") to output it.
t () {
    # check number of arguments
    if [[ $# == 0 ]]; then
        echo "syntax: $0 COMMAND" >&2
        return
    fi

    local cmd=$1

    find-zsh-command $cmd

    # use whence; if a path, do 'ls'
    local whence_hits
    whence_hits=("${(@f)$(whence -ca $cmd | sed "s#$HOME#~#g")}")
    local  h
    for h in $whence_hits; do
        echo $h
        ls -Ghl --color=auto $h 2> /dev/null
        if [ -h $h ]; then
            local dest=$(readlink -e $h)
            set-fg-color 3
            echo -n " * links to: "
            reset-color
            echo -n $dest '\n             '
            ls -Ghl --color=auto $dest
        fi
    done

    # if a script, output it
    cats $cmd
}