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shell: help set: 查看bash的set命令的用法 set -x: -x Print commands and their arguments as they are executed. 即把执行的脚本输出到stdout set -e: -e Exit immediately if a command exits with a non-zero status. 即报错立马退出...

sed -i ‘1，100d’ test.txt

if[空格str空格==空格str2空格]; then注意空格

用find命令查找时 例如命令 find /home -name w* 如下find: paths must precede expression: webfdUsage: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|sta...

find . -name ‘means’|xargs -i mv {} ./k-means/find . -name ‘means’|xargs -i cp {} ./k-means/

需要用空格表示转义:coco_ssd_mobilenet_v1_1.0_quant_2018_06_29 (1).zipmv coco_ssd_mobilenet_v1_1.0_quant_2018_06_29\ (1).zip trash/