new-words

annotate learn-words.sh @ 62:3a61988109a8

grep-sentences.pl: color support
author Igor Chubin <igor@chub.in>
date Fri Nov 04 20:50:49 2011 +0100 (2011-11-04)
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igor@4 1 #!/bin/bash
igor@4 2
igor@4 3 LANGUAGE=en
igor@4 4 N=50
igor@4 5 REVERSED=NO
igor@4 6
igor@4 7 show_usage()
igor@4 8 {
igor@4 9 cat<<USAGE > /dev/stderr
igor@4 10
igor@4 11 Usage:
igor@4 12 $0 [ -l LANG ] [ -r ] [ N ]
igor@4 13
igor@4 14 Help to learn N (number) previously marked words from LANG language.
igor@4 15
igor@4 16 Options:
igor@4 17 -r reversed mode (show the note first; the word second)
igor@4 18
igor@4 19 By default:
igor@4 20
igor@4 21 LANG = $LANGUAGE
igor@4 22 N = $N
igor@4 23 REVERSED = $REVERSED
igor@4 24
igor@4 25 USAGE
igor@4 26 }
igor@4 27
igor@4 28 if [ "$1" = -l ]
igor@4 29 then
igor@4 30 if [ -n "$2" ]
igor@4 31 then
igor@4 32 LANGUAGE="$2"
igor@4 33 shift 2
igor@4 34 else
igor@4 35 echo "Error: Please, specify LANGUAGE (en, de, ru,...) after -l or don't use -l switch" > /dev/stderr
igor@4 36 show_usage
igor@4 37 exit 1
igor@4 38 fi
igor@4 39 fi
igor@4 40
igor@4 41 if [ "$1" = -r ]
igor@4 42 then
igor@4 43 REVERSED="YES"
igor@4 44 shift
igor@4 45 fi
igor@4 46
igor@4 47 if [ -n "$1" ]
igor@4 48 then
igor@4 49 if echo "$1" | grep -qx '[0-9]\+'
igor@4 50 then
igor@4 51 N="$1"
igor@4 52 else
igor@4 53 echo "Error: Number of words N should be numeric. " > /dev/stderr
igor@4 54 echo " Please provide a number or don't specify N at all " > /dev/stderr
igor@4 55 show_usage
igor@4 56 exit 1
igor@4 57 fi
igor@4 58 fi
igor@4 59
igor@4 60 notes_file=~/".new-words/notes-$LANGUAGE".txt
igor@4 61 if [ -e $notes_file ]
igor@4 62 then
igor@4 63 true
igor@4 64 number="`wc -l $notes_file | awk '{print $1}'`"
igor@4 65 if [ "$number" -lt "$N" ]
igor@4 66 then
igor@4 67 echo "Warning: The notes file for the language is too short. Truncating N to $number" > /dev/stderr
igor@4 68 N="$number"
igor@4 69 fi
igor@4 70 while true
igor@4 71 do
igor@4 72 main_script="$$"
igor@4 73 tail -n $((1+$RANDOM%$N)) $notes_file | head -1 | while read word note
igor@4 74 do
igor@4 75 trap "kill -1 $main_script; kill -1 $$" 2
igor@4 76 if [ "$REVERSED" = "NO" ]
igor@4 77 then
igor@4 78 echo $word
igor@4 79 read < /dev/tty
igor@4 80 echo $note
igor@4 81 read < /dev/tty
igor@4 82 clear
igor@4 83 else
igor@4 84 echo $note
igor@4 85 read < /dev/tty
igor@4 86 echo $word
igor@4 87 read < /dev/tty
igor@4 88 clear
igor@4 89 fi
igor@4 90 done
igor@4 91 done
igor@4 92 else
igor@4 93 echo "Error: Uknown language '$LANGUAGE'" > /dev/stderr
igor@4 94 echo " File $notes_file not found" > /dev/stderr
igor@4 95 exit 1
igor@4 96 fi