Difference between revisions of "User:Minooz/RepoSyncProj/Bash"
< User:Minooz | RepoSyncProj
(→Tips) |
(→Tips) |
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(4 intermediate revisions by the same user not shown) | |||
Line 6: | Line 6: | ||
*Watch the spaces | *Watch the spaces | ||
<source lang=bash> | <source lang=bash> | ||
− | |||
if [ -d "$tmpInternal" ]; then | if [ -d "$tmpInternal" ]; then | ||
rm -r $tmpInternal >> $dateError.txt | rm -r $tmpInternal >> $dateError.txt | ||
Line 17: | Line 16: | ||
* The increment operator in bash | * The increment operator in bash | ||
<source lang=bash> | <source lang=bash> | ||
− | |||
while [ $revTmpInternal -lt $revInternal ]; do | while [ $revTmpInternal -lt $revInternal ]; do | ||
((revTmpInternal++)) | ((revTmpInternal++)) | ||
done | done | ||
</source> | </source> | ||
+ | |||
+ | |||
+ | * to check if a file exists: | ||
+ | <source lang=bash> | ||
+ | |||
+ | if [ -f m.patch ]; then | ||
+ | rm *.patch | ||
+ | fi | ||
+ | </source> | ||
+ | |||
+ | |||
+ | * To check if multiple files exist:http://www.ducea.com/2009/03/05/bash-tips-if-e-wildcard-file-check-too-many-arguments/ | ||
+ | <source lang=bash> | ||
+ | errors=$(ls Error*.txt 2> /dev/null | wc -l) | ||
+ | if [ "$errors" != "0" ]; then | ||
+ | rm Error*.txt | ||
+ | fi | ||
+ | </source> | ||
+ | :Also this solution @ http://kenfallon.com/?p=4 |
Latest revision as of 15:27, 19 October 2010
Bash Scripting Help
Tips
- Watch the spaces
if [ -d "$tmpInternal" ]; then
rm -r $tmpInternal >> $dateError.txt
elif [ -d "$tmpExternal" ]; then
rm -r $tmExternal >> $dateError.txt
fi
- The increment operator in bash
while [ $revTmpInternal -lt $revInternal ]; do
((revTmpInternal++))
done
- to check if a file exists:
if [ -f m.patch ]; then
rm *.patch
fi
- To check if multiple files exist:http://www.ducea.com/2009/03/05/bash-tips-if-e-wildcard-file-check-too-many-arguments/
errors=$(ls Error*.txt 2> /dev/null | wc -l)
if [ "$errors" != "0" ]; then
rm Error*.txt
fi
- Also this solution @ http://kenfallon.com/?p=4