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Top Forums Shell Programming and Scripting Why my git command has no output in crontab but works well run this script manually? Post 302870501 by yanglei_fage on Sunday 3rd of November 2013 10:43:54 PM
Old 11-03-2013
Why my git command has no output in crontab but works well run this script manually?

cat /home/lyang001/update.sh
Code:
#!/bin/sh
#shopt -s expand_aliases
HOME_DIR=/home/lyang001/updates
UPDATE_MAIL=${HOME_DIR}/updates.mail
rm $UPDATE_MAIL -rf
cd $HOME_DIR/wr-kernel
git log --no-merges --since="20 day ago" --name-status --pretty=format:"%an %h %s %cd"  origin/WRLINUX_5_0_1_HEAD >> $UPDATE_MAIL
echo "  a               " >> $UPDATE_MAIL
sync
sleep 10

I manually run above scripts it works well and I can get the git' output in update.mail

but I use crontab
Code:
40 11 * * * /home/lyang001/update.sh

it can't get the git's output
 

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KEP_RELOAD(1)						      General Commands Manual						     KEP_RELOAD(1)

NAME
kep_reload - Update Predict's Keplerian elements SYNOPSIS
kep_reload DESCRIPTION
KEP_RELOAD is a simple utility that forces an immediate reload of PREDICT's Keplerian database through a socket connection while PREDICT is running in server mode. It is especially useful in environments where PREDICT runs continuously, and periodic Keplerian element updates are made outside of PREDICT, such as through scripts run through a crontab. The "kepupdate" script found in this directory is an example of a Keplerian element update script that can be run on an automated basis through a crontab. It is designed to be placed in your home directory under a subdirectory called "cronjobs". It downloads Keplerian orbital data from www.celestrak.com using the HTTP protocol. (The "wget" utility, available from the Free Software Foundation, is required, and is included in many Linux distrubutions.) Type crontab -e to edit your crontab. Simply add the following entry: 0 8 * * * kepupdate and your orbital database will update each morning at 8:00 AM (provided you have a network connection at that time). See the crontab man page for more information on editing your crontab. AUTHOR
This man page was written by A. Maitland Bottoms, AA4HS, for Debian GNU/Linux. 31 August 2003 KEP_RELOAD(1)
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