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rabit |
1.1 |
#!/bin/sh |
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#--------------------------------------------------------------------- |
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N='ff' |
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C='rabit@netfrag.org, 08.10.2004' |
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F="$N - Follow file" |
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I='$Id$' |
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#--------------------------------------------------------------------- |
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# If unset, set the per-user file list to a good default: |
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[ -z "$FFFILES" ] && FFFILES=$HOME'/.ff_files' |
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E='echo -e' |
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YW="\033[1;33m" |
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GY="\033[0;37m" |
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B1="\033[1m" |
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B0="\033[0m" |
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function CheckFileList { |
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if [ -e "$FFFILES" ]; then |
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FileListExists=1 |
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else |
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$E " Error: '"$B1$FFFILES$B0"' does not exist yet. First add a file." |
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$E " Try '$B1$N --help$B0' for information on usage." |
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$E 'Aborting.' |
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fi |
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return |
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} |
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function CountFiles { |
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FileCount=`cat $FFFILES | wc -w` |
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return |
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} |
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$E "$YW$F$GY ($C)\n($I)" |
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p1=$1 |
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case "$p1" in |
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(-a) |
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if [ -e $2 ]; then |
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$E "- Adding file '"$B1$2$B0"'..." |
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echo $2 >> $FFFILES |
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CountFiles |
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$E " File index is '"$B1$FileCount$B0"'" |
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$E 'Done.' |
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else |
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$E " Error: '"$B1$2$B0"' does not exist." |
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$E 'Aborting.' |
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fi |
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exit |
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;; |
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(-h|--help) |
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# Just overrun this casing and show help. |
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;; |
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(-l) |
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CheckFileList; [ -z $FileListExists ] && exit |
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$E "- Listing files in '"$B1$FFFILES$B0"'..." |
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while read FileName; do |
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((Index++)) |
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$E ' '$B1$Index$B0": '"$B1$FileName$B0"'" |
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done < $FFFILES |
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$E 'Done.' |
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exit |
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;; |
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(?*) |
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CheckFileList; [ -z $FileListExists ] && exit |
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CountFiles |
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if ((p1>0)) && ((p1<=FileCount)); then |
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FileName=`head -n $p1 $FFFILES | tail -n 1` |
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$E "- Following '"$B1$FileName$B0"' (press CTRL-C to stop)..." |
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echo |
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tail -f $FileName |
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else |
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$E ' Error: '$B1'<number>'$B0' must be in the range of 1 - '$FileCount'.' |
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$E 'Aborting.' |
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fi |
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exit |
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;; |
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esac |
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$E $B1'Usage:'$B0 |
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$E " $B1$N -l$B0" |
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$E " List all files from '"$B1$FFFILES$B0"' with indices." |
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$E ' '$B1$N' <number>'$B0 |
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$E ' Tail and follow the file with index '$B1'<number>'$B0'.' |
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$E ' '$B1$N' -a <filename>'$B0 |
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$E " Add a file to '"$B1$FFFILES$B0"'. "$B1'<filename>'$B0' must exist.' |
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$E ' '$B1$N' [-h|--help]'$B0 |
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$E ' Get this brief help.' |
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$E "The variable '${B1}FFFILES$B0' set overrides the file list default file name." |
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$E "(for example: '${B1}export FFFILES=\$HOME/fff.txt$B0'.)" |
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# EOF |
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