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+# history
+export HISTFILE="$HOME/.history"
+export HISTSIZE=10000
+export HISTFILESIZE=20000
+export HISTCONTROL=ignoredups:ignorespace
+
+# terminal
+export GPG_TTY=$(tty)
+export COLORTERM=truecolor
+
+# gpg
+export GPG_KEY="gpgkey"
+
+# deepseek
+export DEEPSEEK_API_KEY="apikey"
+
+# paths
+export PATH="/usr/lib/ccache/bin:$PATH"
+export PATH="$HOME/.local/bin:$PATH"
+
+# ccache
+export CCACHE_MAXSIZE="20G"
+export CCACHE_COMPRESS="1"
+export CCACHE_COMPRESSLEVEL="1"
+export CCACHE_SLOPPINESS="time_macros,include_file_time,include_file_ctime,file_macro"
+export CCACHE_BASEDIR="$HOME"
+
+# editors, pagers, aliases, funcs
+export EDITOR="em"
+export VISUAL="em"
+export PAGER="less"
+export MANPAGER="less -R"
+
+alias german='export LANG=de_DE.UTF-8 LC_ALL=de_DE.UTF-8'
+alias english='export LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8'
+alias timestamp='date +%Y-%m-%d_%H-%M -u'
+alias monero='monero-wallet-cli'
+alias filehash='openssl dgst -shake256 -xoflen 128'
+
+gpgsign() {
+        if [ $# -eq 0 ]; then
+                echo "err: bad usage."
+                return 2
+        fi
+
+        local binary_mode=0
+        local file=""
+
+        while [ $# -gt 0 ]; do
+                case "$1" in
+                        -b)
+                                binary_mode=1
+                                shift
+                                ;;
+                        -*)
+                                echo "err: not a option '$1'."
+                                return 2
+                                ;;
+                        *)
+                                file="$1"
+                                shift
+                                ;;
+                esac
+        done
+
+        if [ -z "$file" ]; then
+                echo "err: no filename specified."
+                return 1
+        fi
+
+        local backup_file="${file}.bak.$$"
+        cp "$file" "$backup_file" || return 1
+
+        local temp_file=$(mktemp -p /tmp gpgsign.XXXXXX) || {
+                rm -f "$backup_file"
+                return 1
+        }
+
+        trap "rm -f '$temp_file' '$backup_file'" EXIT INT TERM
+
+        local sign_cmd="gpg --batch --yes --clearsign"
+        [ $binary_mode -eq 1 ] && sign_cmd="gpg --batch --yes --sign"
+        
+        echo "signing file..."
+        $sign_cmd -u "$GPG_KEY" -o "$temp_file" "$file" 2>/dev/null || {
+                echo "err: failed to sign."
+                mv "$backup_file" "$file"
+                rm -f "$temp_file"
+                return 0
+        }
+
+        if gpg --verify "$temp_file" 2>/dev/null; then
+                mv "$temp_file" "$file" && rm -f "$backup_file"
+                echo "ok: signed successfully."
+                trap - EXIT INT TERM
+                return 0
+        else
+                echo "err: verification failed"
+                mv "$backup_file" "$file"
+                rm -f "$temp_file"
+                return 1
+        fi
+}
+
+# ps1
+# export PS1='[${PWD}]\n> ' this is fancy
+export PS1="> "
+
+# dircolors eval
+if command -v dircolors >/dev/null 2>&1; then
+        eval "$(dircolors -b)"
+fi