Difference between revisions of "Unix Helpers"
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(Created page with "== grep == === Colored output === Colered Output of a complete file. The regular expression "|$" matches those line that matches the pattern AND have an endline. This are ALL...") |
(→Colored output) |
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regex="${1}" | regex="${1}" | ||
| + | color="${2}" | ||
| + | |||
| + | [ ${color} = "" ] && color=1 #defaults to green | ||
# 1 green | # 1 green | ||
# 3 red | # 3 red | ||
highlight_on=$(tput setaf 2) # green, use setab to do inverse instead of foreground | highlight_on=$(tput setaf 2) # green, use setab to do inverse instead of foreground | ||
| − | highlight_off=$(tput sgr0) | + | highlight_off=$(tput sgr0) # reset to standard color scheme |
while read line | while read line | ||
do | do | ||
[[ $line =~ $regex ]] && echo -n $''"$highlight_on" | [[ $line =~ $regex ]] && echo -n $''"$highlight_on" | ||
| − | echo "$line$highlight_off" | + | echo "$line$highlight_off" |
done | done | ||
Revision as of 10:35, 7 January 2014
grep
Colored output
Colered Output of a complete file. The regular expression "|$" matches those line that matches the pattern AND have an endline. This are ALL lines of the file!
egrep --color "pattern|$" file grep --color -E "pattern|$" file
#!/bin/bash
regex="${1}"
color="${2}"
[ ${color} = "" ] && color=1 #defaults to green
# 1 green
# 3 red
highlight_on=$(tput setaf 2) # green, use setab to do inverse instead of foreground
highlight_off=$(tput sgr0) # reset to standard color scheme
while read line
do
$line =~ $regex && echo -n $"$highlight_on"
echo "$line$highlight_off"
done