sistema_progs

Programas para customizar o meu entorno de traballo nos meus equipos persoais
Log | Files | Refs

splitjoin (1418B)


      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 "cant 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