examples/misc/aliasconv.bash

   1 #! /bin/bash
   2 #
   3 # alias-conv.sh - convert csh aliases to bash aliases and functions
   4 #
   5 # usage: alias-conv.sh
   6 #
   7 # Chet Ramey
   8 # chet@po.cwru.edu
   9 #
  10 trap 'rm -f /tmp/cb$$.?' 0 1 2 3 6 15
  11
  12 T=$'\t'
  13
  14 cat << \EOF >/tmp/cb$$.1
  15 mkalias ()
  16 {
  17         if [ "x$2" = "x" ]; then
  18                 echo alias ${1}="''"
  19         elif echo "$2" | egrep -s '(\!|#)' >/dev/null 2>&1; then
  20                 comm=$(echo $2 | sed  's/\!\*/"$\@"/g
  21                                       s/\!:\([1-9]\)/"$\1"/g
  22                                       s/#/\#/g')
  23                 echo $1 \(\) "{" command "$comm"  "; }"
  24         else
  25                 echo alias ${1}=\'$(echo "${2}" | sed "s:':'\\\\'':")\'
  26         fi
  27 }
  28 EOF
  29
  30 sed "s/^\([a-zA-Z0-9_-]*\)$T\(.*\)$/mkalias \1 '\2'/" >>/tmp/cb$$.1
  31
  32 $BASH /tmp/cb$$.1 | sed -e 's/\$cwd/\$PWD/g' \
  33                      -e 's/\$term/\$TERM/g' \
  34                      -e 's/\$home/\$HOME/g' \
  35                      -e 's/\$user/\$USER/g' \
  36                      -e 's/\$prompt/\$PS1/g'
  37
  38 exit 0