splitjoin (1419B)
1 #!/usr/bin/env sh 2 3 # Description: Splits the file passed as argument or joins selection 4 # 5 # Note: Adds numeric suffix to split files 6 # Adds '.out suffix to the first file to be joined and saves as output file for join 7 # 8 # Shell: POSIX compliant 9 # Authors: Arun Prakash Jana, ath3 10 11 selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection} 12 resp=s 13 14 if [ -s "$selection" ]; then 15 printf "press 's' (split current file) or 'j' (join selection): " 16 read -r resp 17 fi 18 19 if [ "$resp" = "j" ]; then 20 if [ -s "$selection" ]; then 21 arr=$(tr '\0' '\n' < "$selection") 22 if [ "$(echo "$arr" | wc -l)" -lt 2 ]; then 23 echo "joining needs at least 2 files" 24 exit 25 fi 26 for entry in $arr 27 do 28 if [ -d "$entry" ]; then 29 echo "can't join directories" 30 exit 31 fi 32 done 33 34 file="$(basename "$(echo "$arr" | sed -n '1p' | sed -e 's/[0-9][0-9]$//')")" 35 sort -z < "$selection" | xargs -0 -I{} cat {} > "${file}.out" 36 37 # Clear selection 38 if [ -p "$NNN_PIPE" ]; then 39 printf "-" > "$NNN_PIPE" 40 fi 41 fi 42 elif [ "$resp" = "s" ]; then 43 if [ -n "$1" ] && [ -f "$1" ]; then 44 # a single file is passed 45 printf "split size in MB: " 46 read -r size 47 48 if [ -n "$size" ]; then 49 split -d -b "$size"M "$1" "$1" 50 fi 51 fi 52 fi